Wilderness First Response Flashcards

1
Q

What is the primary role of a Wilderness First Responder (WFR)?

A

To provide emergency medical care in remote settings.

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2
Q

True or False: A Wilderness First Responder is trained to perform advanced medical procedures.

A

False.

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3
Q

What does the acronym WFR stand for?

A

Wilderness First Responder.

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4
Q

Fill in the blank: A WFR is trained to assess _____ in a wilderness setting.

A

medical emergencies.

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5
Q

What is the first step in the WFR patient assessment process?

A

Scene safety.

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6
Q

True or False: WFRs can only operate in groups.

A

False.

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7
Q

What should you do if a mountain biker is unconscious?

A

Check for responsiveness and call for help.

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8
Q

What is the most common injury in mountain biking?

A

Fractures.

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9
Q

Multiple choice: What is the best way to manage a bleeding wound?

A

Apply direct pressure.

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10
Q

What is the recommended position for a patient who is in shock?

A

Lay them flat and elevate their legs.

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11
Q

True or False: Mountain biking injuries require immediate evacuation regardless of severity.

A

False.

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12
Q

What is the primary concern when treating a head injury?

A

Monitoring for signs of concussion or increased intracranial pressure.

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13
Q

Fill in the blank: A WFR should always have a _____ kit while biking.

A

first aid.

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14
Q

What is a common sign of a fracture?

A

Swelling and deformity.

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15
Q

Multiple choice: Which of the following is NOT a sign of hypothermia?

A

Increased heart rate.

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16
Q

What is the priority of care for a patient with a suspected spinal injury?

A

Stabilization of the spine.

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17
Q

True or False: You should remove a helmet from an injured mountain biker immediately.

A

False.

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18
Q

What does the acronym SAMPLE stand for in patient history taking?

A

Signs, Allergies, Medications, Past medical history, Last oral intake, Events leading up to injury.

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19
Q

What is the recommended treatment for heat exhaustion?

A

Move the person to a cooler place and provide fluids.

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20
Q

Fill in the blank: Always perform a _____ check before assisting an injured person.

A

scene safety.

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21
Q

What is the first aid response for a sprained ankle?

A

Rest, Ice, Compression, Elevation (RICE).

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22
Q

True or False: A WFR can administer medications.

A

True, within their training limits.

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23
Q

What is the best way to prevent mountain biking injuries?

A

Wearing proper gear and following safety guidelines.

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24
Q

Multiple choice: Which of the following is a symptom of a concussion?

A

Confusion.

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25
Q

What is the purpose of a triage system?

A

To prioritize patients based on the severity of their condition.

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26
Q

Fill in the blank: In a wilderness setting, _____ is crucial for effective communication.

A

signaling.

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27
Q

What should you do if you suspect a spinal injury?

A

Keep the person still and avoid movement.

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28
Q

True or False: Mountain biking injuries are always life-threatening.

A

False.

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29
Q

What does the term ‘evacuation’ refer to in wilderness first response?

A

Transporting an injured person to a location where they can receive advanced medical care.

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30
Q

What is a common method for treating a burn?

A

Cool the burn with running water.

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31
Q

Multiple choice: What is the best way to carry a patient in a remote area?

A

Use a stretcher or improvised carrying device.

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32
Q

What should you assess first in a patient with multiple injuries?

A

Airway, Breathing, Circulation (ABC).

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33
Q

Fill in the blank: Always have a _____ with you when mountain biking.

A

buddy.

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34
Q

What is the primary goal of wilderness first aid?

A

To stabilize the patient until professional help arrives.

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35
Q

True or False: A WFR can perform CPR.

A

True.

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36
Q

What is the importance of hydration during mountain biking?

A

To prevent dehydration and heat-related illnesses.

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37
Q

What should you do if a patient is bleeding heavily?

A

Apply direct pressure and elevate the injury if possible.

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38
Q

Multiple choice: Which of the following is a sign of dehydration?

A

Dark urine.

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39
Q

What is the best way to treat a dislocated joint?

A

Immobilize the joint and seek medical help.

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40
Q

Fill in the blank: Always assess _____ before providing care.

A

the environment.

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41
Q

What is a critical factor in managing an emergency in the wilderness?

A

Effective communication.

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42
Q

True or False: You should encourage a person with a suspected fracture to move the injured limb.

A

False.

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43
Q

What is the typical duration of a WFR course?

A

Approximately 70-80 hours.

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44
Q

What should be included in a basic first aid kit for mountain biking?

A

Bandages, antiseptic wipes, and a splint.

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45
Q

Multiple choice: What is the most effective way to prevent hypothermia?

A

Dress in layers.

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46
Q

What is the recommended response for a person experiencing an asthma attack?

A

Help them use their inhaler and find a calm position.

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47
Q

Fill in the blank: A WFR must be able to _____ their own limitations.

A

recognize.

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48
Q

What is the purpose of a safety plan in mountain biking?

A

To outline procedures for emergencies.

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49
Q

True or False: You need special certification to be a WFR.

A

True.

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50
Q

What is the first step in treating a snake bite?

A

Keep the patient calm and immobilize the affected limb.

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51
Q

Multiple choice: Which of the following is a common sign of a heart attack?

A

Chest pain.

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52
Q

What should you do if a mountain biker is having a seizure?

A

Clear the area and protect their head.

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53
Q

Fill in the blank: Always have a _____ plan when biking in remote areas.

A

rescue.

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54
Q

What is the best way to treat a sprained wrist?

A

Rest, Ice, Compression, Elevation (RICE).

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55
Q

True or False: You should give food or drink to an unconscious patient.

A

False.

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56
Q

What is a key component of wilderness first aid training?

A

Scenario-based practice.

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57
Q

Multiple choice: Which of the following is NOT a sign of stroke?

A

Rapid breathing.

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58
Q

What is the primary concern for a patient with a broken leg?

A

Pain management and stabilization.

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59
Q

Fill in the blank: A WFR should always carry a _____ for communication.

A

whistle.

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60
Q

What should you assess in a patient with a suspected concussion?

A

Cognitive function and balance.

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61
Q

True or False: A WFR can provide emotional support to patients.

A

True.

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62
Q

What is the best method for treating a minor cut?

A

Clean the wound and apply a sterile bandage.

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63
Q

Multiple choice: Which of the following is a risk factor for mountain biking injuries?

A

Inexperience.

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64
Q

What should you do if a patient is allergic to a medication?

A

Avoid administering that medication and seek alternatives.

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65
Q

Fill in the blank: It is important to _____ your first aid kit regularly.

A

check.

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66
Q

What is the role of a spotter in mountain biking?

A

To assist and ensure safety while riding difficult terrain.

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67
Q

True or False: You should always use a helmet while mountain biking.

A

True.

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68
Q

What is the first action to take if someone is choking?

A

Encourage them to cough if they can.

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69
Q

Multiple choice: What is the best way to treat a bee sting?

A

Remove the stinger and apply a cold pack.

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70
Q

What should you do if you encounter a wild animal while biking?

A

Stay calm and slowly back away.

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71
Q

Fill in the blank: Always inform someone about your _____ before going mountain biking.

A

route.

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72
Q

What is one of the main goals of wilderness first aid?

A

To preserve life.

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73
Q

True or False: It’s acceptable to move an injured person without assessing the situation.

A

False.

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74
Q

What is a common sign of a broken bone?

A

Inability to move the affected area.

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75
Q

Multiple choice: Which of the following is the best way to treat frostbite?

A

Gradually rewarm the affected area.

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76
Q

What should you do if a patient is experiencing severe anxiety?

A

Provide reassurance and help them focus on their breathing.

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77
Q

Fill in the blank: Maintaining _____ is crucial for a WFR.

A

skills.

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78
Q

What is the primary focus during a wilderness rescue?

A

Safety of the rescuer and the patient.

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79
Q

True or False: A WFR can work independently in the wilderness.

A

True, but should follow protocols.

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80
Q

What should be included in a rescue plan?

A

Evacuation routes and communication methods.

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81
Q

Multiple choice: What is a common treatment for a sprained ankle?

A

RICE method.

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82
Q

What should you do if you encounter a medical emergency while biking?

A

Assess the scene and provide care as needed.

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83
Q

What is the most important topic in sports outdoor medicine?

A

The management of someone injured

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84
Q

What are the four effective survey techniques used in initial assessment?

A
  • Scene survey
  • Primary survey
  • Secondary survey
  • Ongoing survey
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85
Q

What is the first survey technique when assessing an injured patient?

A

Scene survey

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86
Q

What should you ensure before entering a scene to assess a victim?

A

The scene is safe

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87
Q

What is the primary purpose of the primary survey?

A

To keep the victim alive

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88
Q

What acronym is used to prioritize treatment during the primary survey?

A

MARCH

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89
Q

What does the ‘M’ in the MARCH acronym stand for?

A

Massive hemorrhage

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90
Q

What does the ‘A’ in the MARCH acronym represent?

A

Airway (with C-spine precautions)

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91
Q

What is the third priority in the MARCH acronym?

A

Respiration

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92
Q

What should be prioritized even before managing the airway?

A

Preventing major hemorrhage

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93
Q

What steps should be taken to stop heavy bleeding?

A

Direct pressure or a tourniquet

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94
Q

What should you assume if a victim is unresponsive?

A

There is a C-spine injury

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95
Q

What precaution should be taken for Airway during the primary assessment?

A

Hold the C-spine

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96
Q

What should you check for after assessing the airway?

A

Respiration

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97
Q

What falls under Circulation when using the MARCH acronym?

A

Checking the pulse

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98
Q

What action should be taken if the victim is not breathing or has no pulse?

A

Initiate CPR

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99
Q

Fill in the blank: The second survey technique is the _______.

A

Primary survey

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100
Q

True or False: The scene survey should take a long time to complete.

A

False

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101
Q

What is the primary focus of Hypothermia/Hyperthermia management?

A

Ensure the patient is warm and dry and assess the need for evacuation (Hike vs. Helicopter)

This highlights the importance of environmental factors in patient care.

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102
Q

What does MARCH stand for in the primary survey?

A

MARCH prioritization ensures patient stability

MARCH is a mnemonic used in trauma assessment.

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103
Q

What does the acronym SAMPLE represent in the secondary survey?

A
  • Symptoms/Sübjective
  • Allergies
  • Medications
  • Prior medical history
  • Last oral intake
  • Events leading up to illness/injury

SAMPLE helps gather comprehensive patient history.

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104
Q

What should you do if a patient cannot answer questions during the secondary survey?

A

Ask family, friends, or bystanders for information

This approach ensures critical information is obtained.

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105
Q

What is the purpose of the ongoing survey?

A

Repeat the assessment as often as needed, especially if the patient is unstable

Continuous monitoring is vital until medical help arrives.

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106
Q

What does the acronym AVPU stand for in the ongoing survey?

A
  • Alert
  • Verbal
  • Pain
  • Unresponsive

AVPU is used to assess a patient’s responsiveness.

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107
Q

When should you move a patient to a safer location?

A

If the scene is not safe for the victim

Ensuring safety is paramount, but careful consideration of potential spinal injuries is necessary.

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108
Q

What is the risk-to-benefit ratio in scene safety?

A

Weighing the risks of moving the victim against the dangers of staying in the current location

This assessment is crucial in emergency situations.

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109
Q

What is the blood sweep?

A

A quick assessment to identify major bleeding and deformities

Effective for detecting both external and potential internal injuries.

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110
Q

Why is it important to look under layers of clothing during a blood sweep?

A

Blood can collect between layers, indicating hidden injuries

Comprehensive assessment includes examining all areas of the body.

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111
Q

What should you do if a patient is bleeding internally?

A

Evacuate them as quickly as possible

Internal bleeding is a critical condition that requires immediate medical attention.

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112
Q

True or False: You should not check the ground or street for blood during the blood sweep.

A

False

Checking the surroundings can provide additional information about the patient’s condition.

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113
Q

What is a significant difference between wound management in the wilderness and urban settings?

A

Backcountry wounds are often dirty or may become dirty, and there is often a lack of first aid materials.

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114
Q

What is the first step in managing a wound after the primary survey?

A

Gain exposure to the injured area.

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115
Q

What is hemostasis?

A

Stopping the bleeding.

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116
Q

What does ‘M’ stand for in the MARCH protocol?

A

Massive hemorrhage.

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117
Q

What is the first step in stopping any blood loss?

A

Application of direct pressure.

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118
Q

What should you do if direct pressure does not stop the bleeding?

A

Use a tourniquet.

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119
Q

True or False: Elevation of the limb above the heart is often sufficient to stop bleeding.

A

False.

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120
Q

Where should a tourniquet be placed?

A

About two to four inches above the wound.

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121
Q

What should you mark on the patient’s forehead after placing a tourniquet?

A

The time that you placed the tourniquet.

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122
Q

What is the most important intervention to prevent infection in wound management?

A

High-pressure irrigation.

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123
Q

What should be used to create a high-pressure stream of water for irrigation?

A

A catheter tip or a plastic bag with a small hole.

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124
Q

What should be done to visible foreign matter in a wound?

A

Remove it to minimize infection, inflammation, and discomfort.

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125
Q

What is the purpose of dressing a wound?

A

To protect wounds from the environment and help prevent infection.

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126
Q

Fill in the blank: If a commercial pad or dressing is not available, improvise using a _______.

A

4 x 4 pad covered in an antibiotic ointment.

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127
Q

What types of injuries require consideration for evacuation?

A
  • Complex or mutilating wounds
  • Grossly contaminated with penetrating debris
  • Laceration of eyelid, ear or cartilage
  • Penetration of bone, joint or tendon
  • Bites of hands, legs or feet
  • Amputations
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128
Q

What recent studies suggest about wound scabbing?

A

Keeping the wound environment moist promotes healing and reduces scar formation.

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129
Q

What should be done daily to keep a wound moist?

A

Apply Vaseline, honey, or a clean and moist dressing.

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130
Q

True or False: Wounds should be kept exposed to the air to promote healing.

A

False.

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131
Q

What should be done to wounds to minimize scab formation?

A

Rinse daily and inspect dressings.

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132
Q

What are the three rules for wound healing?

A

Keep them clean, keep them moist, keep them covered

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133
Q

What are the two courses of action for closing a laceration in the wilderness?

A
  • Primary closure
  • Delayed primary closure
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134
Q

What methods can be used for primary closure of a laceration?

A
  • Sutures
  • Staples
  • Tape
  • Skin glue
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135
Q

What is the advantage of primary closure compared to delayed primary closure?

A

Immediate treatment with better mobility and less pain

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136
Q

What is the main disadvantage of primary closure?

A

Higher risk of infection

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137
Q

What is used to achieve closure with steri-strips or tape?

A

Place steri-strips or tape over the wound and pull the wound together

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138
Q

Where are staples appropriate for use when closing wounds?

A

Anywhere except the face

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139
Q

What is skin glue used for?

A

Closing small and uncomplicated lacerations

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140
Q

What must be done to flexible parts of the body after applying skin glue?

A

Immobilize the joint with a splint

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141
Q

How are burn injuries classified?

A
  • By Depth
  • By Area
  • Location on the body
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142
Q

What are the three depths of burns?

A
  • Superficial
  • Partial thickness
  • Full thickness
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143
Q

What is a characteristic of superficial burns?

A

Skin can become red and painful

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144
Q

What treatment is recommended for superficial burns?

A

Aloe-vera gel and cool damp cloths

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145
Q

What should be avoided to prevent increased scar formation in superficial burns?

A

Leaving the wound to dry

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146
Q

What is the treatment for partial and full-thickness burns?

A
  • Gently clean with cool water
  • Trim away loose skin
  • Apply antibacterial ointment
  • Cover with a non-adhesive sterile dressing
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147
Q

What should not be applied directly to burns for more than 15 minutes?

A

Ice

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148
Q

What is the Rule of Nines used for?

A

To aid in decision making for evacuation based on total body surface area affected by burns

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149
Q

What percentage of body surface area does each arm represent in the Rule of Nines?

A

9%

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150
Q

What percentage of body surface area does each leg represent in the Rule of Nines?

A

18%

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151
Q

When should a burn victim be evacuated?

A
  • Partial thickness burns greater than 10% body surface area
  • Full thickness burns greater than 1% body surface area
  • Burns involving the face, hands, feet, or genitals
  • Electrical burns
  • If the burn victim is medically ill
  • Uncontrolled pain
  • Burns complicated by smoke or heat inhalation
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152
Q

What is a blister?

A

A pocket of fluid between the upper layers of skin

Commonly develops from friction, freezing, or burns.

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153
Q

What are the common causes of blisters?

A
  • Friction (e.g., from poorly fitting shoes)
  • Freezing of the skin (frostbite)
  • Burns
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154
Q

What is the purpose of a blister?

A

To protect and cushion the layers underneath the skin

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155
Q

What can blisters be filled with?

A
  • Serum
  • Plasma
  • Blood
  • Pus
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156
Q

What is a ‘hot spot’ in relation to blisters?

A

A sore spot that usually forms before a blister

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157
Q

What should you do if a small blister or hot spot forms?

A

Place a dual-layer pad over that area

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158
Q

What is Blist-o-ban?

A

A material used to address friction and shear forces on the skin

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159
Q

How does a dual-layer pad prevent blisters?

A

It allows the bandage to glide smoothly, deflecting friction and shear forces away from the skin

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160
Q

What is the key to preventing friction blisters on feet?

A

Reducing hot spots by properly breaking in boots and reducing moisture by wearing wool socks

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161
Q

How can you treat a blister that has already formed?

A

Cut a hole in the moleskin and place the ring around the blister

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162
Q

When should a blister be opened?

A

If it is 2 cm in diameter or larger, or if it has already ruptured

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163
Q

What is Medihoney?

A

A honey-based treatment used in wound care to prevent infection and speed healing

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164
Q

What are the benefits of using Manuka honey in wound care?

A

Contains methylglyoxal which helps fight a broader range of bacteria strains

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165
Q

What are some over-the-counter topical first aid antibiotics?

A
  • Bacitracin
  • Neomycin
  • Polymyxin B sulfate
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166
Q

What is Silvadene Cream 1% used for?

A

As a topical antimicrobial drug for prevention and treatment of wounds and burns

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167
Q

What are the four components of a tooth?

A
  • Enamel
  • Dentin
  • Cementum
  • Pulp
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168
Q

What is the hardest substance in the body?

A

Enamel

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169
Q

What is the function of dentin?

A

Lies beneath enamel and cementum; makes up a significant portion of the tooth

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170
Q

What happens if the dentin tubules become exposed?

A

Teeth become very sensitive to cold and air

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171
Q

What is the function of cementum?

A

Covers the root of the tooth and is similar in hardness to bone

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172
Q

What does the pulp of a tooth contain?

A

Nerves and blood vessels that supply the tooth

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173
Q

What is pulpitis?

A

Inflammation of the pulp, primary cause of toothaches

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174
Q

What can cause inflammation of the pulp?

A
  • Bacterial entry from tooth decay
  • Trauma
  • Fillings placed near the pulp
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175
Q

What symptoms indicate pulpitis?

A
  • Sensitivity to heat or cold
  • Pain after removal of stimulus
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176
Q

What are common symptoms of pulpitis?

A

Sensitivity or pain to stimuli such as cold, hot, sweets, or tapping

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177
Q

What initial treatment should be done for pulpitis?

A

Remove irritants or debris, usually by swishing the mouth with warm water

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178
Q

What medication can be given to reduce pain from pulpitis?

A

Ibuprofen

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179
Q

What should patients with pulpitis do after initial treatment?

A

See a dentist upon returning home

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180
Q

What should you do when a filling or crown falls out?

A

Remove debris and fill the hole with temporary filling material

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181
Q

What are the two products you can use for temporary fillings?

A
  • Cavit
  • IRM
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182
Q

What is a characteristic of Cavit?

A

Comes pre-mixed and hardens once placed in the mouth

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183
Q

What is the advantage of IRM?

A

Can be mixed to any desired consistency

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184
Q

What types of activities commonly lead to dental trauma?

A
  • Mountain biking
  • Skiing
  • Climbing
  • Rafting
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185
Q

What is a common symptom of a chipped tooth?

A

An obvious chip in the tooth, usually without pulp exposure

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186
Q

What is the treatment for a chipped tooth?

A

Pain management and smoothing sharp edges with temporary filling

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187
Q

What defines a tooth fracture?

A

A very large part of the tooth is broken with loose fragments present

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188
Q

What should be done for a fractured tooth?

A

Remove loose fragments and cover the tooth with a temporary filling

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189
Q

What happens when a tooth is knocked loose?

A

The tooth can reattach and become secure again over time

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190
Q

What should patients do if their tooth is knocked loose?

A

Eat soft foods and take Ibuprofen

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191
Q

What is the best immediate action if a tooth is knocked out?

A

Try to put the tooth back in its socket

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192
Q

What is the success rate of a replanted tooth if done within 20 minutes?

A

High rate of success

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193
Q

What should you not do when handling a knocked-out tooth?

A
  • Scrub
  • Scrape
  • Disinfect
  • Let the root surface dry out
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194
Q

What is the best solution to store a knocked-out tooth?

A
  • Hank’s Balanced Salt Solution
  • Milk
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195
Q

How long can a tooth last in Hank’s Balanced Salt Solution?

A

24 hours

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196
Q

How long can a tooth last in milk?

A

About 6 hours

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197
Q

What are some not so great solutions for tooth storage?

A
  • Salt water
  • Saliva
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198
Q

What is a poor solution for tooth storage?

A
  • Water
  • Sports drinks
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199
Q

Why is water not a good storage medium for a tooth?

A

Destroys the cells on the tooth

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200
Q

What is a common limitation of saliva as a storage medium?

A

Contains enzymes and bacteria that can damage a tooth over time

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201
Q

What types of injuries are most commonly associated with mountain biking?

A

Wounds and bruises

Wounds and bruises account for the highest percentage of injuries sustained while biking.

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202
Q

What percentage of mountain biking injuries are fractures?

A

4%

Fractures are among the less common types of injuries in mountain biking.

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203
Q

Which body parts are most commonly injured in mountain biking?

A
  • Neck
  • Knees
  • Buttocks/Groin
  • Upper Extremities

These areas are where bikers most frequently seek medical care.

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204
Q

What is the recommended safety gear for mountain bikers to prevent head injuries?

A

Helmet

Bikers should always wear a helmet, which should be checked for integrity after any impact.

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205
Q

What are the clinical findings that may indicate a skull fracture in head injury cases?

A

Clear liquid leaking from the ears or nose

This symptom constitutes a medical emergency.

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206
Q

What are the common signs of a concussion?

A
  • Headache
  • Slurred speech
  • Vomiting
  • Delayed speech
  • Disorientation
  • Memory deficits
  • Intense emotions
  • Vertigo
  • Nausea
  • Vacant stare
  • Delayed motor responses
  • Confusion
  • Loss of consciousness
  • Dizziness

These symptoms may vary based on the severity and location of the concussion.

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207
Q

What is Micro-Whiplash syndrome associated with?

A

Tail vibrations on the neck

This syndrome can occur over extended periods while biking.

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208
Q

What can help manage generalized neck and back pain from biking?

A
  • Massaging
  • Ice
  • Stretching
  • Non-sedating pain relievers

These methods can alleviate discomfort from micro-injuries.

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209
Q

What conditions can arise from improper saddle height in biking?

A
  • Patellar tendonitis
  • Quadriceps tendonitis

These conditions often present with patellar pain, swelling, and joint tenderness.

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210
Q

What symptoms can occur if the saddle is positioned too high?

A
  • Saddle sores
  • Chafing

These issues result in localized skin irritation.

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211
Q

How can saddle sores and chafing be prevented?

A
  • Keeping the area clean and dry
  • Wearing seamless shorts

These practices can help alleviate symptoms associated with saddle sores.

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212
Q

What is the recommended action if concussion symptoms worsen and last longer than 15 minutes?

A

Evacuate the patient

This is crucial in managing head injuries effectively.

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213
Q

True or False: Most fractures and dislocations in mountain biking occur in the lower extremities.

A

False

Most fractures and dislocations occur in the upper extremity.

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214
Q

Fill in the blank: The treatment of a concussion varies with the _______.

A

[severity]

Mild concussions often require monitoring, while severe cases may need intensive care.

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215
Q

What is the proper seat height for a bike rider?

A

The rider should sit on the seat with their heel on the pedal, and the leg on the pedal should be straight.

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216
Q

How should the seat angle be adjusted for male and female riders?

A

For males, the seat angle is generally slightly elevated in the back; for females, it is generally depressed in the back.

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217
Q

What is the recommended handlebar position relative to the saddle?

A

The handlebar should be positioned one to four inches below the level of the saddle.

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218
Q

What percentage of a rider’s body weight should rest on the arms while riding?

A

About one third of the rider’s body weight.

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219
Q

What adjustments can be made to handlebars during long rides?

A

The height and positioning of the handlebars can be adjusted to help with back and neck pain.

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220
Q

When did rock climbing begin as a distinct athletic activity?

A

In the last nineteenth century in Europe.

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221
Q

What is the origin of rock climbing according to recent research?

A

Rock climbing began in Africa millions of years ago with our primate ancestors.

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222
Q

What is the most common injury associated with rock climbing?

A

Falling is the most common injury.

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223
Q

How do climbing ropes help reduce the force felt by a climber during a fall?

A

Climbing ropes are dynamic and can stretch up to 30% of their length.

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224
Q

What happens when a climber passes their leg in front of the rope during a fall?

A

The rope can grab their leg and flip them upside down, potentially causing head or neck impact.

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225
Q

What is the most dangerous moment for a climber?

A

The transition to descending after reaching the top of a route.

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226
Q

What critical mistake can lead to climbing deaths during descent?

A

Thinking they are secured to their second system and falling the full length of the route.

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227
Q

What can happen to a belayer during a fall?

A

The belayer can be slammed into the wall by a falling climber due to a lack of slack.

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228
Q

What types of injuries can occur to belayers?

A

Traumatic injuries including sprained and broken ankles and arms.

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229
Q

What can happen to climbers if their belayer is injured or killed?

A

Climbers can become stranded.

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230
Q

Fill in the blank: Rock climbing has been around for a very long time, with evidence of it dating back to the ______ century.

A
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231
Q

True or False: Helmets worn while climbing can help reduce the risk of severe spinal traumas and concussions.

A
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232
Q

What type of injuries are common in climbing?

A

Overuse injuries

These injuries often occur from overloading tendons, joints, and muscles.

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233
Q

What are the five pulleys in the fingers named?

A

A1, A2, A3, A4, A5

A1, A3, and A5 are considered minor pulleys, while A2 and A4 are major pulleys.

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234
Q

What is the primary function of the finger pulleys?

A

To prevent ‘bowstringing’

Pulleys hold tendons tightly to the bones.

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235
Q

Which pulley is most commonly injured in climbers?

A

A2 pulley

The A2 pulley is often cited as the most injured pulley that presents to clinicians.

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236
Q

What is the basic mechanism for flexor tendon pulley injury?

A

Force applied above what the pulley can tolerate

This often occurs when using the ‘crimp grip’.

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237
Q

What is a recommended prevention method for pulley injuries?

A

Gentle climbing and focus on good technique

Climbers should prioritize using their feet for upward progress.

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238
Q

What is the first step in healing a finger pulley injury?

A

Applying ice and taking an anti-inflammatory

Time off climbing is necessary until healing occurs.

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239
Q

What materials are most rock climbing shoes made of?

A

Leather uppers with rubber toe and heel caps

The rubber is specially formulated to improve friction.

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240
Q

Why do climbers wear climbing shoes several sizes smaller than street shoes?

A

To improve performance on different terrain

Features include downturned toes and stiff toe boxes.

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241
Q

What is suspension trauma?

A

A condition where blood pools in the legs while in a harness

It can lead to lightheadedness or passing out.

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242
Q

What are the symptoms of suspension trauma?

A

Lightheadedness and ultimately passing out

Symptoms can occur after over an hour of suspension, or within 5-10 minutes in 20% of cases.

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243
Q

What is the highest priority for field care of a suspension trauma patient?

A

Urgent evacuation to the ground

This is crucial as the condition can be life-threatening.

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244
Q

How many bones are in each foot?

A

28 bones

This represents nearly one-fourth of all the bones in the entire body.

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245
Q

What is the role of the big toe during hiking?

A

Grips the feet to the walking surface

The big toe carries part of the body weight with each step but no weight rests on it when standing.

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246
Q

How many arches does the foot have, and what is their purpose?

A

Three arches designed to act like springs

They aid in propulsion, store energy, and absorb shock.

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247
Q

What issues can arise from having low arches or flat feet?

A

Heel pain, arch pain, plantar fasciitis

A person may walk with their feet rotated incorrectly.

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248
Q

What problems can high arches cause?

A

Excessive pressure on the back part and forefoot areas

This can lead to heel pain and plantar fasciitis.

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249
Q

What should be done with useless shoe inserts?

A

Remove them and replace with proper arch supports

Arch supports are a less expensive alternative to new shoes.

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250
Q

What is the significance of activity-specific shoes?

A

They are designed for different movements

Running shoes for forward motion and basketball shoes for side-to-side movements.

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251
Q

What can happen if the wrong shoes are used for outdoor support?

A

Knee, hip, and back pain

Old and worn-out shoes can lead to awkward foot strikes.

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252
Q

How often should daily shoes be replaced?

A

Every six months at most

Monitor soles and replace or resole when support is low.

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253
Q

What is the proper fit for hiking shoes?

A

Half-inch space between longest toe and front of shoe

Also, the index finger should fit between shoe and foot with little force.

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254
Q

What is the importance of clipping toenails before a hike?

A

Prevents trauma to the nails

Long nails can be pushed into by shoes, causing blood to form under them.

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255
Q

Is it better to wear one sock or two while hiking?

A

It comes down to personal preference

Both approaches can protect your feet if appropriate socks are used.

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256
Q

What is the purpose of a thin, moisture-wicking synthetic sock?

A

Reduces friction and wicks moisture away from the foot

It is typically worn under an outer sock.

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257
Q

What materials are commonly found in hiking socks?

A

A blend of fabrics for comfort, warmth, durability, and fast drying

Hiking socks are rarely made from a single fabric.

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258
Q

What is the most popular material for hiking socks?

A

Wool

Wool is recommended above all other materials for hiking socks.

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259
Q

What materials are commonly blended with wool in hiking socks?

A
  • Synthetic materials
  • Polyester
  • Nylon
  • Spandex

Blending improves durability and drying speed.

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260
Q

What are the properties of polyester as a sock material?

A

Insulates, wicks moisture, and dries quickly

Polyester is a synthetic material.

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261
Q

What is the role of nylon in hiking socks?

A

Adds durability and improves drying times

Nylon is occasionally used as the primary material.

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262
Q

What are the characteristics of silk as a sock material?

A

Natural insulator, comfortable, lightweight, but not very durable

Silk is occasionally used in sock liners.

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263
Q

What is the purpose of adding spandex to hiking socks?

A

Helps socks hold their shape and minimizes bunching and wrinkling

Spandex is included in small percentages.

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264
Q

What type of socks should be avoided for hiking?

A

100% cotton socks

Cotton absorbs sweat and dries very slowly.

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265
Q

What is a blister?

A

A pocket of fluid between the upper layers of skin, under the epidermis

Blisters commonly develop on the feet during hiking.

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266
Q

What causes blisters to form?

A

Friction between the shoe and foot

Friction can be caused by the force of the shoe and the interaction of skin and sock.

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267
Q

What is a ‘hot spot’ in the context of blisters?

A

A sore spot where blisters usually begin to form

Identifying hot spots early can help prevent full-blown blisters.

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268
Q

What material can be placed over a hot spot to prevent blisters?

A

Dual-layer pads, such as Blist-o-ban

These pads help reduce friction and pressure.

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269
Q

How should a blister that has already formed be treated?

A

Cut a hole in moleskin or duct tape and place it around the blister

This reduces pressure and pain on the blister.

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270
Q

When is it appropriate to open a blister?

A

If the blister is 2 cm in diameter or larger

Opening smaller blisters is generally not recommended.

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271
Q

What are the three ways heat moves from the body?

A
  • Radiation
  • Conduction
  • Convection

These methods describe how heat is lost to the environment.

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272
Q

What is the normal human body temperature?

A

Around 98.6°F (37°C)

This temperature is crucial for understanding heat loss.

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273
Q

What is the best conductor of heat?

A

Water

Water conducts heat away from the body effectively.

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274
Q

What is the purpose of layering clothing for heat retention?

A

Traps body heat in dead air space and wicks moisture away

Layering prevents conductive and convective heat loss.

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275
Q

What is the function of the base layer in clothing?

A

Moves or ‘wicks’ water away from the skin

The base layer is essential for moisture management.

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276
Q

What is the purpose of the base layer in clothing?

A

To wick sweat away to keep you dry

This includes socks, underwear, and an initial pant/shirt base layer if in colder conditions.

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277
Q

What is the function of the middle layer in clothing?

A

To retain body heat by creating ‘dead air’

This can include clothing such as shirts and pants.

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278
Q

What is the role of the outer layer in clothing?

A

To act as a water- or wind-resistant barrier

This layer helps prevent convection loss of heat.

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279
Q

Why is it prudent to pack multiple layers of clothing?

A

To adapt to changing weather conditions

You can peel off layers to cool down or add layers if it gets colder.

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280
Q

What is a key characteristic of loose-fitting clothing in hot environments?

A

It facilitates ventilation by moving heat away from the body

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281
Q

What is one of the primary benefits of wool as a fabric choice?

A

It is an excellent insulator and maintains insulation even when wet

Merino wool can hold 30% of its weight in water absorption without feeling wet.

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282
Q

What makes ultra-fine merino wool a preferred choice?

A

It is itch-free, naturally breathable, moisture-wicking, and fast-drying

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283
Q

What are the advantages of synthetic fabrics like fleece?

A

Quick-drying, durable, and affordable

Synthetics have 3D patterns that imitate wool.

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284
Q

What is ‘down’ in the context of insulation?

A

The under plumage found beneath the feathers of ducks and geese

Down provides natural insulation.

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285
Q

What does the fill rating of down insulation indicate?

A

The amount of goose down added to the coat or sleeping bag

Higher numbers indicate more insulation and warmth.

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286
Q

What is a significant drawback of down insulation when wet?

A

It clumps and loses its ability to create dead air space

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287
Q

What are the characteristics of silk as a fabric?

A

Soft, thin, and light; good for cool weather

Silk does not wick moisture as well as wool or synthetics.

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288
Q

Why is cotton considered a poor choice for outdoor activities?

A

It does not wick moisture effectively and does not dry quickly

Wet cotton can lead to hypothermia.

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289
Q

What is the phrase used to describe the dangers of cotton in outdoor activities?

A

‘Cotton kills’

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290
Q

What are synthetic fibers primarily made from?

A

Chemicals created to produce fabrics like polyester, rayon, and acrylic

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291
Q

What are some advantages of synthetic fibers?

A

Resistant to insects and fungus, cheaper to produce, and create dead space

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292
Q

What is a serious drawback of synthetic fibers?

A

They will melt and have little to no ability to absorb water

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293
Q

Why are synthetic clothes considered ideal in wet environments?

A

They always insulate, even when wet

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294
Q

What are the disadvantages of synthetic clothing for hiking?

A

They are heavy and do not pack well

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295
Q

What is Quallofil used for?

A

Sleeping bags and insulated jackets

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296
Q

What are the drawbacks of Quallofil?

A

It is heavy and bulky

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297
Q

What is PolarGuard known for?

A

It is considered the ‘premiere’ synthetic insulation

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298
Q

What improvements have been made to PolarGuard?

A

Less bulky and improved insulating abilities by around 10%

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299
Q

What are super thin fibers used for in clothing?

A

They create dead air space and more insulation

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300
Q

Name two examples of super thin fibers.

A

Primaloft and Thinsulate

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301
Q

What is the purpose of the Base layer in clothing?

A

To wick sweat away and keep you dry

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302
Q

What are examples of high-performance fabrics used for the Base layer?

A
  • Wool
  • Synthetic
  • Silk
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303
Q

What is the function of the Middle layer?

A

To retain body heat

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304
Q

What materials are popular choices for the Middle layer?

A
  • Wool
  • Down
  • Fleece
  • Synthetics with high-loft options
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305
Q

What are some suitable options for wet weather in the Middle layer?

A

Synthetic pile or fleece options

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306
Q

What is the role of the Outer layer?

A

To serve as a water- or wind-resistant barrier

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307
Q

What features should an Outer layer have for wet conditions?

A
  • Waterproof
  • Sealed seams
  • Zipper guards
  • Cinch-able hoods
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308
Q

What is a good rule of thumb for the Mid-layer in colder weather?

A

Plan on wearing a synthetic as your go-to and pack an extra down jacket

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309
Q

What should you remember about dressing for the outdoors?

A

What you wear keeps you safe against the elements

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310
Q

Fill in the blank: There is no bad weather, only bad _______.

A

clothing

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311
Q

What has caused a 50 percent decrease in skiing related injuries since the 1970s?

A

Improvement of equipment with safety release bindings and hard-shell boots that allow for better control

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312
Q

What type of injuries have increased despite improvements in skiing equipment?

A

Soft tissue injuries

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313
Q

What percentage of downhill skiing accidents are due to improper equipment maintenance?

A

Nearly 50 percent

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314
Q

What is the primary cause of 70 percent of lower leg fractures and knee injuries while skiing?

A

Improper binding release

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315
Q

What is the most common type of injury among skiers?

A

Soft tissue knee injuries

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316
Q

Why are beginner skiers particularly susceptible to medial collateral ligament (MCL) injuries?

A

They are taught to use the ‘snowplow’ or ‘wedge’ technique, which can put stress on the MCL

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317
Q

What should be done if a knee injury is suspected while skiing?

A

Immobilize the knee with a splint and take the patient off the hill

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318
Q

What is the role of the anterior cruciate ligament (ACL) in the knee?

A

To prevent backward motion of the femur on the tibia and hyperextension at the knee

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319
Q

What is a common symptom reported by skiers who suffer an ACL injury?

A

Hearing an audible ‘pop’ or ‘snap’ prior to the knee giving out

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320
Q

What is a ‘boot top’ fracture?

A

A fracture that typically occurs at the top of the ski boot due to its hard shell providing support

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321
Q

What is the most common upper extremity injury among skiers?

A

Skier’s thumb injury

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322
Q

How does a skier’s thumb injury typically occur?

A

When the skier falls on their ski pole or the thumb catches snow during a fall

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323
Q

What are the symptoms of skier’s thumb injury?

A

Tenderness in the area with deep throbbing pain

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324
Q

What is the potential severity of head injuries in skiing?

A

They can cause a bleed in the brain

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325
Q

What can cause an MCL tear while skiing?

A

The impact caused by one leg falling on another

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326
Q

What is the common outcome of an ACL injury?

A

Popping sound during injury and potential knee instability

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327
Q

What type of injuries may occur due to a fall affecting the shoulder?

A

Injuries to ligaments, muscles, and tendons

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328
Q

What is the instinctual action that can lead to wrist injuries while skiing?

A

Reaching out a hand for support during a fall

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329
Q

What is skier’s thumb?

A

An acute injury that occurs when falling with your hand in the ski pole strap, causing a ligament tear

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330
Q

Fill in the blank: The most injured structure of the knee is the _______.

A

anterior cruciate ligament (ACL)

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331
Q

True or False: Most other skiing injuries are less severe than head injuries.

A

True

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332
Q

What is a boot top fracture?

A

Fracture of the tibia and/or fibula above the top of the boot.

These fractures almost always require surgical intervention due to high non-union rates.

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333
Q

What is the significance of helmet use in skiing?

A

Helmets offer limited protection beyond 12 mph and can create a false sense of security.

This may lead to reckless behaviors among skiers.

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334
Q

What should be suspected when assisting a patient who has fallen?

A

A head injury and common signs of concussions.

Vigilance is necessary to identify these injuries.

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335
Q

What is a toe side fall in snowboarding?

A

A fall where the snowboarder falls face forward toward the ground.

This can lead to clavicular fractures, shoulder separations, and head injuries.

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336
Q

What injuries can occur from a toe side fall in snowboarding?

A

Clavicular fractures, shoulder separations, facial injuries, and head injuries.

If the snowboarder braces for the fall, it can result in severe wrist or humeral fractures.

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337
Q

What is the most common wrist fracture seen among snowboarders?

A

‘Dinner fork’ fracture.

This term describes the characteristic appearance of the fracture.

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338
Q

What is the impact of wrist guards in snowboarding?

A

They prevent wrist injuries but may transfer forces to proximal joints, causing forearm fractures and shoulder injuries.

Wrist guards are common protective equipment for snowboarders.

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339
Q

What is a heel side fall in snowboarding?

A

A fall where the snowboarder falls backward toward the ground.

This can lead to buttock contusions, spinal compressions, and head injuries.

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340
Q

What percentage of drowning victims are male?

A

Nearly 80%.

This statistic highlights a gender disparity in drowning occurrences.

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341
Q

What role do drugs and alcohol play in drowning incidents?

A

They are involved in half of adolescent and adult deaths associated with water recreation.

Substance use significantly increases the risk of drowning.

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342
Q

What is the leading cause of drowning deaths related to boating?

A

Failure to wear a personal flotation device (PFD).

This accounts for 88% of drowning deaths while boating.

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343
Q

What happens to the lungs during drowning?

A

Victims inhale water, causing pulmonary damage and hypoxemia, leading to secondary organ damage.

The heart becomes ischemic, and neurological injury can result.

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344
Q

What are common heart issues following drowning?

A

Heart arrhythmias, or irregular heartbeats.

These are typically secondary to severe hypoxemia.

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345
Q

What is hypoxia?

A

A lack of oxygen that causes injury and inflammation in the brain, potentially leading to cerebral edema.

Oxygenation is crucial in managing submersion injuries.

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346
Q

How does drowning behavior appear to untrained observers?

A

It can look like calm, safe behavior.

Drowning itself is quick and silent, often preceded by distress that may not be obvious.

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347
Q

What is the instinctive drowning response?

A

A set of autonomic reactions occurring in the 20 to 60 seconds before sinking underwater.

Trained rescuers learn to recognize these movements.

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348
Q

What should a rescuer use to approach a drowning victim?

A

A buoyant object or approach from behind

This helps prevent the victim from submerging the rescuer.

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349
Q

What is the recommended technique if a rescuer is pushed underwater by a drowning victim?

A

Dive downwards to escape the victim

This technique allows the rescuer to avoid being held down.

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350
Q

What is the first priority after rescuing a drowning victim?

A

Transport the victim to the water’s edge

This prepares the victim for removal from the water.

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351
Q

How should a cooperative drowning victim be towed?

A

Held at the armpits

This method allows for better control and safety.

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352
Q

How should an unconscious drowning victim be towed?

A

Held at the chin and cheeks

This ensures the mouth and nose are above water.

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353
Q

What is the primary issue drowning causes?

A

An oxygenation problem

Drowning primarily affects the ability to breathe.

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354
Q

What does the European Resuscitation Council recommend for rescue breaths during CPR?

A

Five rescue breaths instead of two

This increases the likelihood of reviving the patient.

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355
Q

What is more important than post-submersion actions?

A

Prevention

Preventative measures can avoid drowning incidents altogether.

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356
Q

What should be avoided while participating in water activities?

A

Alcohol

Alcohol impairs judgment and increases drowning risk.

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357
Q

What safety equipment should everyone on a boat wear?

A

Approved personal flotation devices

These devices help keep the person’s head above water.

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358
Q

How many thunderstorms occur worldwide each day?

A

Approximately 50,000

Thunderstorms are a common global phenomenon.

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359
Q

How many people are estimated to be killed by lightning worldwide each year?

A

About 2,000

This figure is an estimate by National Geographic.

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360
Q

Which region in the United States is most prone to lightning?

A

Florida

Florida experiences a high frequency of thunderstorms.

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361
Q

What is the temperature reached by the heat of a lightning strike?

A

Around 27,000 C° (48,632 F°)

This extreme heat contributes to the formation of thunder.

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362
Q

What phenomenon is created by the rapid expansion of compressed air from a lightning strike?

A

Thunder

The shock wave produced results in the loud noise associated with lightning.

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363
Q

Where do most lightning deaths occur?

A

Open fields, sport parks, in/on water, under trees, on beaches, working on farm equipment

These locations are particularly dangerous during thunderstorms.

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364
Q

Fill in the blank: Lightning strikes the earth more than ______ times each second.

A

100

This statistic emphasizes the frequency of lightning activity.

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365
Q

What is positive lightning?

A

Lightning that originates from the top of a thunderstorm, which carries a large positive charge.

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366
Q

Why is positive lightning particularly dangerous?

A

It frequently strikes away from the rain core, usually ahead of the thunderstorm, striking areas considered low risk.

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367
Q

What is the recommended action before a storm strikes?

A

Get to shelter.

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368
Q

What is ground current?

A

Electricity that spreads out in the ground after a lightning strike, potentially causing injury.

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369
Q

What is side splash in the context of lightning injuries?

A

Lightning that jumps from an object to a person or from one person to another.

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370
Q

What are upward streamers?

A

High objects and the ground that produce leaders rising just prior to lightning strikes.

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371
Q

What is a direct strike?

A

Lightning that hits someone directly from the sky.

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372
Q

What are contact strikes?

A

Lightning that enters a person through wiring or water pipes.

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373
Q

What is blunt trauma in relation to lightning injuries?

A

Injuries caused by the concussive force of the lightning strike or being thrown by muscular contraction.

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374
Q

What percentage of lightning deaths are caused by ground current?

A

50-55%.

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375
Q

What is the most common cause of death in lightning strikes?

A

Cardiopulmonary arrest.

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376
Q

What should be done for a person in respiratory arrest after a lightning strike?

A

They may need only artificial respiration to prevent secondary hypoxic arrest.

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377
Q

What is the MARCH protocol?

A

A guideline to follow in emergencies, particularly for lightning strike victims.

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378
Q

What should you do if you hear thunder?

A

Seek shelter indoors.

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379
Q

What are some tips to reduce lightning strike risk outdoors?

A
  • Avoid open fields
  • Stay away from tall, isolated trees
  • Spread out in groups
  • Set up camp in low areas
  • Stay away from water and metal objects
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380
Q

True or False: A tent offers protection from lightning.

A

False.

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381
Q

What is flashover in the context of lightning strikes?

A

The electrical current flowing on the outside of the body after a lightning strike.

382
Q

What can happen to the electrical current during a lightning strike?

A

It may enter the body through cranial orifices and flow through the body.

383
Q

What is the potential distance lightning can strike from a thunderstorm?

A

Up to 5 or 10 miles (8 or 16 kilometers).

384
Q

Fill in the blank: The current from a lightning flash will easily travel for _______.

A

long distances.

385
Q

What offers the best protection from lightning?

A

A house or other substantial building

People should stay away from windows and doors and avoid contact with anything that conducts electricity.

386
Q

What should you do if you see lightning or hear thunder?

A

Go indoors

Wait at least 30 minutes after the last clap of thunder before leaving shelter.

387
Q

Do rubber tires protect you from lightning?

A

No

Lightning flows around the outside of a car, not through the rubber tires.

388
Q

What is the primary factor in avalanche survival?

A

The amount of time someone is buried in the snow

Asphyxiation is the predominant mechanism of death among avalanche victims.

389
Q

What are the four elements required for an avalanche to occur?

A
  1. A slab of snow
  2. A weak layer of snow
  3. A trigger (like new snow)
  4. A slope angle steep enough for snow to slide, generally between 25-55 degrees

Slope angle should be one of the first considerations when traveling in the backcountry.

390
Q

What is the second-largest cause of natural avalanches?

A

Changes in the snowpack, such as melting due to the sun

Most avalanches occur spontaneously during storms with increased snowfall.

391
Q

True or False: Avalanches can be triggered by loud sounds.

A

False

Contrary to popular belief, avalanches are not triggered by loud sounds.

392
Q

What group accounts for the largest number of backcountry users killed in avalanches?

A

Snowmobilers

Human factors contribute to nearly all avalanche accidents.

393
Q

What speeds can avalanches reach in less than 10 seconds?

A

Up to 100 mph

Trauma is also a cause of death and injury for avalanche victims.

394
Q

Fill in the blank: To be truly safe from an avalanche, a person needs to take an _______.

A

[avalanche safety course]

Understanding avalanches is critical in wilderness medicine.

395
Q

What has dramatically increased over the past two decades regarding avalanches?

A

Injury and death rates

This increase is largely due to human factors.

396
Q

What is a rare cause of death among avalanche victims?

A

Hypothermia

Asphyxiation is the predominant cause of death.

397
Q

What is the role of slope angle in avalanches?

A

It is a primary factor in every avalanche

Generally, a slope angle between 25-55 degrees is steep enough for snow to slide.

398
Q

What percentage of avalanche victims sustain significant blunt trauma?

A

As many as one-third

Trauma is a significant cause of death and injury in avalanches.

399
Q

What is the typical range of slope angles where avalanches commonly occur?

A

36-38 degrees

Not all avalanches start on slopes with these precise angles.

400
Q

What is remote triggering in the context of avalanches?

A

Triggering a slide from below on a gentle slope connected to a steeper slope

This is common in avalanche run-out zones.

401
Q

What is the recommended practice when crossing avalanche run-out zones?

A

Cross one at a time and keep a watchful eye on one another.

402
Q

What percentage of avalanche victims have massive trauma as the primary cause of death?

A

About one-fourth.

403
Q

What types of injuries are commonly sustained by avalanche victims?

A
  • Spinal fractures
  • Long bone fractures
  • Blunt abdominal trauma
  • Head injuries
404
Q

How does air pressure under an avalanche compare to atmospheric pressure?

A

Higher than atmospheric pressure.

405
Q

What is the survival rate for avalanche victims rescued within 18 minutes?

A

Higher than 91%.

406
Q

What happens to the survival rate for avalanche victims buried between 19 and 35 minutes?

A

Drops to 34%.

407
Q

What are the two reasons air pockets fail for avalanche victims?

A
  • Heat from expired air causes ice to form around the mouth
  • Re-breathing expired air leads to carbon dioxide inhalation and asphyxiation.
408
Q

What are critical rules to follow when traveling on snow terrain?

A
  • Never go directly above any member of your party
  • Avoid gullies and narrow valleys
  • Travel on ridgelines or in dense forest
  • Cross exposed areas one person at a time
  • Look for ‘red flags’ like collapsing or cracking snow
  • Start on low angle slopes less than 25°
  • Call the Forest Service for current snow conditions
  • Carry avalanche rescue equipment.
409
Q

What should survivors do if an avalanche is witnessed?

A

Maintain sight of the victim and make a mental note of their last seen area.

410
Q

What are the basic avalanche survival and rescue equipment?

A
  • Transceivers (beacons)
  • Shovels
  • Probes
411
Q

What is the ‘golden eighteen minutes’ in avalanche rescue?

A

The critical time frame after burial within which a victim can be found.

412
Q

What should rescuers do with their transceivers when searching for a buried victim?

A

Switch from ‘send’ to ‘receive’ mode.

413
Q

What is the primary focus of care for avalanche victims?

A

The MARCH protocol.

414
Q

What environmental condition can accelerate core body cooling after an avalanche burial?

A

Exposure to wind.

415
Q

Fill in the blank: Most injuries can be avoided by good decision making, minimizing risk by traveling wisely with good techniques, and avoiding _______ terrain.

A

[high-risk]

416
Q

What is the primary goal to avoid in avalanche scenarios?

A

To never be in an avalanche.

417
Q

What do avalanche airbags do?

A

Help a person avoid being buried by making them a larger object, forcing them toward the surface.

418
Q

What principle do avalanche airbags work on?

A

Inverse granular convection.

419
Q

How do avalanches behave?

A

Like granular materials, fluid-like, where smaller particles settle and larger particles rise.

420
Q

What is the effect of deploying an avalanche airbag correctly?

A

Significantly reduced chances of complete burial.

421
Q

What is the purpose of the Avalung device?

A

To help victims breathe during avalanche burial by drawing breath over a large surface area.

422
Q

What happens to a victim’s breath during an avalanche burial?

A

Snow melts from the heat of the breath and refreezes, blocking oxygen flow and allowing CO2 to accumulate.

423
Q

What tragic event occurred in September 2015 in Zion National Park?

A

A flash flood killed seven highly trained canyoners.

424
Q

What warning did the canyoners ignore before the flash flood?

A

A moderate level warning of flooding from the National Weather Service.

425
Q

What is a flash flood?

A

A flood that begins within six hours of heavy rainfall.

426
Q

What is the second leading cause of natural disaster-related deaths in the U.S.?

A

Flash flooding.

427
Q

How many deaths occur annually due to flash floods in the U.S.?

A

Approximately 100 deaths.

428
Q

Where can flash floods occur?

A

Anytime and anywhere, not just wilderness areas.

429
Q

What factors influence the formation of flash floods?

A

Weather conditions, topography, and soil conditions.

430
Q

Why are arid deserts particularly susceptible to flash floods?

A

Due to impermeable clay-like soil, funneling effects of slot canyons, and infrequency of storms.

431
Q

What can happen when adventurers are in the backcountry during a flash flood?

A

They may see blue skies while it rains heavily miles away.

432
Q

What color is the head of a flash flood often described as?

A

Dark brown due to debris, dirt, and rock.

433
Q

What does the head of a flash flood do?

A

Acts as a ‘moving dam’ and can slow down speed, causing water to back up.

434
Q

True or False: A small flood can knock a person over.

A

True.

435
Q

What percentage of flood-related fatalities in the U.S. occur in vehicles?

A

More than half

This highlights the dangers of being in a vehicle during a flood.

436
Q

What happens to most vehicles when submerged in six inches of water?

A

Lose complete control

Most vehicles begin to float in a foot of water.

437
Q

What should you do if your vehicle becomes surrounded by water?

A

Abandon your vehicle and seek higher ground

This is crucial for safety during a flood.

438
Q

What types of debris can floodwaters carry?

A

Trees and boulders

This debris can harm or kill anyone in its path.

439
Q

What is the recommended action if caught in a flood?

A

Seek higher ground immediately

This is vital to avoid injury or death.

440
Q

What is the best way to prevent flood-related injuries?

A

Prevention through planning and exercising caution

Being aware of flooding potential is essential.

441
Q

What does ‘turn around, don’t drown’ (TADD) mean?

A

A warning to avoid driving through flooded areas

This phrase emphasizes the dangers of floodwaters.

442
Q

What is the average normal human body temperature?

A

98.6°F (37°C)

This is critical in understanding heat-related illnesses.

443
Q

What is hyperthermia?

A

A rise in core temperature above 98.6°F (37°C)

Occurs when the body can’t divest excess heat.

444
Q

What are the three ways the body loses heat?

A
  1. Radiation
  2. Conduction
  3. Convection

Each method has specific conditions for effectiveness.

445
Q

What is conduction in the context of body heat loss?

A

Heat loss when the body is in contact with a cooler object

Significant when in contact with snow, ice, or cold water.

446
Q

What is convection in heat loss?

A

Heat transfer through circulating air currents

It explains why we feel cooler in the wind.

447
Q

How does evaporation contribute to heat loss?

A

Utilizes radiation, conduction, and convection

This occurs through sweating and can happen with wet clothes.

448
Q

What happens when air temperatures rise in relation to body heat loss?

A

Radiation no longer works; the body relies on convection and conduction

This can lead to increased body temperature.

449
Q

What is the illness that occurs when the body cannot transfer heat fast enough?

A

Hyperthermia

It can lead to serious health issues.

450
Q

What is hyperthermia?

A

A condition that occurs when the body temperature rises significantly due to various factors

451
Q

What medical conditions increase the risk of developing hyperthermia?

A

Conditions that prevent heat from leaving the body, such as dehydration, vomiting, diarrhea, and obesity

452
Q

Name environmental factors that can increase the risk of hyperthermia.

A
  • Exercising in a hot climate
  • Lack of air conditioning
  • Inappropriate clothing
  • Decreased fluid intake
  • Being inside a hot tent or car
  • Sitting in a hot tub
453
Q

What is the first physiological response to heat stress?

A

Skin turning red due to vasodilation and increased blood flow to the skin

454
Q

What happens to the heart during heat stress?

A

Heart rate and cardiac output increase to facilitate heat transfer to the environment

455
Q

What are the clinical manifestations of heat injury?

A

Heat cramps, heat syncope, heat exhaustion, and heat stroke

456
Q

What causes heat cramps?

A

Loss of salt in the body, typically from fluid loss replaced by a fluid solution without enough salt

457
Q

What is the key treatment for heat cramps?

A

Replace lost salt through salty snacks and electrolyte drinks

458
Q

True or False: A lack of potassium causes heat cramps.

A

False

459
Q

What is heat syncope?

A

Fainting due to dehydration, dilation of blood vessels, and pooling of blood in the legs

460
Q

What populations are most affected by heat syncope?

A
  • Non-acclimatized individuals
  • Geriatric demographic
461
Q

What should be done for initial treatment of heat syncope?

A

Lie the patient flat and elevate their feet

462
Q

What is heat exhaustion?

A

A form of heat illness characterized by significant water and salt loss

463
Q

List symptoms of heat exhaustion.

A
  • Weakness
  • Fatigue
  • Nausea
  • Vomiting
  • Headache
  • Thirst
464
Q

What are some signs that heat exhaustion is progressing to heat stroke?

A
  • Elevated body temperature
  • Altered mental status
  • Fast heart and breathing rate
  • Profuse sweating
  • Orthostatic hypotension
465
Q

What is the treatment for heat exhaustion?

A

Give water and electrolytes, stop activities, and move to a cool area

466
Q

What defines heat stroke?

A

Severe hyperthermia (≥ 40° C), neurological problems, and loss of sweating

467
Q

What are neurological abnormalities associated with heat stroke?

A
  • Stumbling gait
  • Irritability
  • Confusion
  • Seizures
  • Hallucinations
  • Coma
468
Q

Fill in the blank: Heat stroke is a _______ medical emergency.

A

[true]

469
Q

What is the primary method of treatment for heatstroke?

A

Active cooling through immersion in cold water or pouring cool water on the victim

Active cooling is crucial for rapid temperature reduction in heatstroke victims

470
Q

How does cold-water immersion compare to evaporative cooling?

A

Cold-water immersion reduces body temperature twice as fast as evaporative cooling

This method has been shown to be safe in young, healthy heatstroke victims

471
Q

What should be done if immersion in cold water is not possible?

A

Pour cool/cold water on the victim and keep their skin ‘sopping wet’

Continuous fanning promotes evaporation and further cooling

472
Q

Where should ice packs and cold compresses be applied on a heatstroke victim?

A

In areas where large arteries run, such as:
* Groin
* Armpit
* Neck

This helps in rapid cooling of the body

473
Q

What are the evacuation guidelines for heat-related conditions?

A

Evacuate if:
* Loss of consciousness
* More than one episode of syncope
* Signs of heatstroke
* Severe heat cramps not responding to salt solutions

Heat exhaustion does not require evacuation if treated effectively in the field

474
Q

What is the most significant risk factor for developing heat-related injuries?

A

Dehydration

Dehydration is linked to most risk factors for heat-related illnesses

475
Q

What environmental conditions inhibit the body’s ability to lose heat?

A

High humidity

It reduces the effectiveness of sweating and evaporation

476
Q

What is the recommended duration for adults to acclimatize to hot environments?

A

7-10 days

This gradual increase in activity helps improve heat coping mechanisms

477
Q

How long do children and the elderly require to maximize acclimatization?

A

10-14 days

They need more time to adjust to heat exposure compared to adults

478
Q

What should rehydration include to maintain proper balance in the body?

A

A combination of water and electrolytes

Too much water without electrolytes can lead to low sodium levels and neurological damage

479
Q

What is a reliable way to gauge hydration status?

A

The color of urine

Consistently clear urine indicates proper hydration

480
Q

What is the goal of hydration in preventing heat illness?

A

To avoid the onset of heat illness altogether

Early signs of dehydration should be addressed before headaches or heat illness develop

481
Q

What type of clothing is recommended to prevent heat-related illness?

A

Loose-fitting clothing

It promotes airflow and facilitates evaporative cooling

482
Q

What type of clothing should be avoided to minimize heat absorption?

A

Dark-colored clothing

It absorbs light and increases body temperature

483
Q

Fill in the blank: The onset of a headache is often the beginning of _______.

A

heat illness

Recognizing this early can help prevent more serious conditions

484
Q

True or False: Tight-fitting clothing helps in the effective cooling of the body.

A

False

Tight-fitting clothing restricts airflow needed for evaporation

485
Q

What is an effective method of cooling besides immersion?

A

Dousing often in cooling fluids or misting sprays

These methods can help reduce body temperature effectively

486
Q

What is hypothermia most often associated with?

A

Prolonged exposure to cold winter activities such as skiing, snowshoeing, and mountaineering

Hypothermia can also result from immersion accidents and can occur during hot summer months.

487
Q

Which groups of people are particularly susceptible to hypothermia?

A

The elderly and young babies

They have a challenging time with thermoregulation.

488
Q

What are the three methods of heat loss from the body?

A
  • Radiation
  • Conduction
  • Convection

Evaporation is a process that utilizes all three methods of heat transfer.

489
Q

What temperature defines the onset of hypothermia?

A

A core body temperature of 35°C (95°F) or less.

490
Q

What occurs during radiation heat loss?

A

Heat loss occurs whenever the air temperature surrounding the body is less than 20°C (68°F).

491
Q

How does conduction heat loss occur?

A

When the body is in contact with any object that is cooler than we are.

492
Q

What is convection heat loss?

A

Heat is transferred away from the body through circulating air currents.

493
Q

What is the primary physiological response when the body begins to lose heat?

A

Shivering utilizes muscle activity to produce heat.

494
Q

What is vasoconstriction?

A

The narrowing of blood vessels to prevent blood from reaching the skin.

495
Q

What is ‘paradoxical undressing’?

A

The phenomenon where hypothermic individuals take off their clothes despite being cold.

496
Q

What characterizes mild hypothermia?

A

A core temperature ranging from 32° to 35° C (89.6-95°F) with shivering and confusion.

497
Q

What are the vital signs like in moderate hypothermia?

A

Blood pressure, heart rate, and respiratory rate decrease.

498
Q

What core temperature range defines severe hypothermia?

A

Between 24°C and 28°C (75.2-82.4°F).

499
Q

What happens to the body at a core temperature below 24°C?

A

Profound hypothermia occurs with little chance of survival.

500
Q

Fill in the blank: Heat is lost from the body through _______.

A

radiation, conduction, convection, and evaporation.

501
Q

True or False: Cold-related injuries can occur in above-sub-zero temperatures.

A

True.

502
Q

What is the most important aspect of preventing hypothermia?

A

Adequate preparation.

503
Q

What happens to shivering at a core temperature of 30°C?

A

Shivering ceases.

504
Q

What are the symptoms of mild hypothermia?

A
  • Turning blue
  • Sensation of cold
  • Uncontrollable shivering
  • Impaired mental status

Varying degrees of confusion and disorientation may occur.

505
Q

What is the perception of temperature closely linked to?

A

Skin temperature rather than core temperature.

506
Q

What should be considered when seeking shelter to limit heat loss?

A
  • Areas that are dry (conduction)
  • Insulated (radiation)
  • Out of the wind (convection)
  • No direct contact with ice and snow (conduction)
507
Q

What are the four stages of hypothermia?

A

Mild, Moderate, Severe, Profound

508
Q

What are the clinical symptoms of mild hypothermia?

A

Conscious, shivering

509
Q

What is the typical core temperature range for moderate hypothermia?

A

28 to 32°C (82 to 90°F)

510
Q

What is the treatment priority for hypothermia in the field?

A

Preventing further heat loss

511
Q

What should be done first when treating a victim of hypothermia?

A

Remove the victim from the situation that caused them to become cold

512
Q

List the three methods of heat loss that need to be prevented.

A
  • Radiation
  • Conduction
  • Convection
513
Q

Fill in the blank: Evaporative heat loss is addressed through the application of a _______.

A

vapor barrier

514
Q

What type of beverages should be avoided when treating hypothermia?

A

Alcoholic beverages

515
Q

True or False: In a rescue situation, a person is considered dead until they are warm and dead.

A

True

516
Q

What is a recommended treatment for mild hypothermia?

A

Dress in dry clothes and wrap in blankets

517
Q

What should be avoided in treating mild hypothermia?

A

Baths or water immersion

518
Q

What is critical for patients with moderate hypothermia?

A

Active rewarming must be performed

519
Q

What items can be used for rewarming in the field for moderate hypothermia?

A
  • Large electric heat pads
  • Warm water bottles
520
Q

What characterizes severe hypothermia?

A

True medical emergency requiring aggressive treatment

521
Q

What should be assessed for at least 60 seconds in severe hypothermia?

A

Vital signs

522
Q

When should CPR be initiated in severe hypothermia?

A

After determining the patient has no vital signs

523
Q

What is the evacuation guideline for victims with moderate to severe hypothermia?

A

Must be evacuated from the wilderness

524
Q

How should hypothennic patients be handled during transport?

A

Very gently and kept horizontal

525
Q

What is the single most important aspect of hypothermia treatment?

A

Adequate prevention through preparation

526
Q

What is hypothermia often referred to as?

A

The killer of the unprepared

527
Q

What occurs if a person is taken immediately to the summit of Mt. Everest?

A

They would pass out and likely die within minutes.

528
Q

What altitude is referred to as the ‘death zone’?

A

About 27,000 feet (8,200 meters).

529
Q

What is the main cause of altitude illness?

A

Hypobaric hypoxia due to decreased oxygen pressure at high altitudes.

530
Q

What happens to the body’s carbon dioxide levels at high altitude?

A

They are lowered by hyperventilation.

531
Q

What severe symptoms arise from altitude sickness?

A

Edema or fluid accumulation in the body.

532
Q

What is acute mountain sickness (AMS) diagnosed by?

A

A headache and at least one other symptom: dizziness, fatigue, nausea, or insomnia.

533
Q

What are the common symptoms of High Altitude Cerebral Edema (HACE)?

A

Poor muscle control, altered level of consciousness, severe lack of energy.

534
Q

What is the treatment for Acute Mountain Sickness (AMS)?

A

Discontinue ascent and rest, with descent being the most effective treatment.

535
Q

What is High Altitude Pulmonary Edema (HAPE) characterized by?

A

Shortness of breath at rest, cough, weakness, and chest tightness.

536
Q

What is the safest method to prevent altitude illness?

A

Slow ascent to allow for acclimatization.

537
Q

What medicine is mentioned as helpful for AMS?

A

Acetazolamide.

538
Q

What is the recommended ascent limit to prevent HAPE?

A

No more than 300 meters (1,000 feet) a day.

539
Q

True or False: HACE almost never occurs without AMS symptoms first.

A

True.

540
Q

What should be done immediately if HACE is suspected?

A

Immediate descent with assistance.

541
Q

Fill in the blank: The initial sign of HAPE is a marked decrease in _______.

A

exercise tolerance.

542
Q

What happens during hyperventilation at high altitudes?

A

It lowers CO2 levels, which can reduce the drive to breathe.

543
Q

What is the likely consequence of edema in the brain at high altitude?

A

Acute Mountain Sickness (AMS) can progress to High Altitude Cerebral Edema (HACE).

544
Q

What can happen to mild cases of HAPE?

A

They may resolve within hours after descent.

545
Q

How long can the recovery from HACE last?

A

Recovery can last for weeks.

546
Q

What is the primary purpose of water purification?

A

To eliminate pathogens that will cause symptoms and disease in humans.

547
Q

List three outcomes of water purification besides pathogen removal.

A
  • Removes toxic compounds
  • Eliminates unpleasant tastes
  • Improves water quality
548
Q

What is recommended for ensuring safe drinking water?

A

Use at least two methods to treat water.

549
Q

Define ‘Purify’ in the context of water treatment.

A

Removes taste, odor and smell.

550
Q

Define ‘Disinfect’ in the context of water treatment.

A

Removes or destroys pathogens.

551
Q

Define ‘Sterilize’ in the context of water treatment.

A

Destroys all life forms.

552
Q

What does ‘Filtration’ refer to in water treatment?

A

Mechanical process of forcing water through a membrane to remove pathogens.

553
Q

True or False: Water sterilization is necessary for safe drinking.

A

False.

554
Q

What are the most common pathogens causing illness in water?

A
  • Bacteria
  • Viruses
  • Protozoa
  • Parasites
555
Q

What is the best water source for purification?

A

Get close to the source, such as a snowbank or fast-moving water.

556
Q

Why are slow-flowing rivers and ponds considered poor water sources?

A

Bacteria and parasites tend to thrive in these environments.

557
Q

What is the purpose of pre-treatment in water purification?

A

To remove contaminants such as sediment, leaves, and small twigs.

558
Q

What is the first step in the pre-treatment process?

A

Screening.

559
Q

Describe the screening process in water pre-treatment.

A

Pouring water through a cloth to remove large contaminants.

560
Q

What is the purpose of the standing process in water pre-treatment?

A

Allows smaller particles to settle to the bottom of the container.

561
Q

What chemical is commonly used for flocculating water?

A

Alum.

562
Q

How long should water be boiled for effective disinfection at high elevations?

A

At least 3 minutes if above 6,562 feet (2000m).

563
Q

What is the boiling point of water at sea level?

A

100°C (212°F).

564
Q

What is a disadvantage of boiling water for purification?

A

The water is hot and may not taste good.

565
Q

What pathogens can be effectively killed by boiling water?

A

Most human pathogens.

566
Q

What is the effectiveness of filters in water treatment?

A

Filters screen out bacteria, protozoa, and helminths, but are not reliable for eliminating viruses.

567
Q

True or False: Filters can completely eradicate viruses from water.

A

False.

568
Q

What happens to filters over time during use?

A

They clog and become less effective.

569
Q

What should be done in areas with potential contamination when using filters?

A

Use an additional method of disinfection, such as halogenation.

570
Q

What are iodine and chlorine effective against?

A

Viruses and bacteria

Their effectiveness against protozoa and helminths varies greatly.

571
Q

Which protozoan is effectively killed by halogen disinfection?

A

Giardia lamblia

Cryptosporidium oysts are extremely resistant to halogen disinfection.

572
Q

What major problem affects chemical disinfection?

A

Improper treatment by the user

573
Q

What factors does disinfection depend on?

A

Halogen concentration and contact time

574
Q

Why is chlorine less suitable for cold, contaminated water?

A

It is more sensitive to halogen concentration and contact time

575
Q

Why are household cleaners like bleach not recommended for disinfection of drinking water?

A

They have some efficacy against bacteria but not viruses

576
Q

What can neutralize the unpleasant taste of halogens in water?

A

Ascorbic acid (vitamin C) or flavored drink mixes

577
Q

What is a risk associated with using iodine for water disinfection?

A

Potential effect on the thyroid gland

578
Q

What is required for using iodine safely for disinfection?

A

Following appropriate disinfection techniques and manufacturer guidelines

579
Q

What is the relationship between iodine concentration and contact time?

A

A lower concentration of iodine can be used if the contact time is longer or the water temperature is warmer

580
Q

What is the primary mechanism of Ultraviolet Radiation (UVR) treatment?

A

It destroys illness-causing microorganisms by attacking their DNA

581
Q

What factors affect the effectiveness of UVR treatment?

A

Exposure time, lamp intensity, and water quality parameters

582
Q

What must be low for UV treatment to work effectively?

A

Turbidity

583
Q

What is a significant risk after UV irradiation treatment?

A

Reactivation of pathogens

584
Q

What must not happen to UV-treated water before consumption?

A

It must not be exposed to visible light for any significant period

585
Q

What is a long-term disadvantage of UV purification?

A

No residual treatment

586
Q

What should be added to water purified by UV radiation for continued disinfection?

A

A chlorine compound

587
Q

What advantages does chlorine dioxide have over chlorine?

A

Wider range of effective pH and does not require more than simple mixing

588
Q

What does chlorine dioxide release to neutralize pathogens?

A

A very reactive form of oxygen

589
Q

What is one important quality of chlorine dioxide?

A

High-water solubility, especially in cold water

590
Q

What are tannins and humics?

A

Natural organic matter that leach into wilderness water

591
Q

How can activated carbon improve water quality?

A

It can remove bad taste and purify the water

592
Q

What is the primary focus of water treatment?

A

Tiny bugs or germs due to their immediate and serious risk to health

593
Q

What toxic resin is responsible for the skin reaction caused by poison ivy, oak, and sumac?

A

Urushiol

Urushiol is contained within the leaves, fruit, root, and stem of the plant.

594
Q

What is the primary function of urushiol in these plants?

A

Helps the plant to retain water

595
Q

How can urushiol be released from the plant?

A

The plant must be broken open

596
Q

What can cause urushiol to cling to objects?

A

Its remarkable adhesive properties

597
Q

Where are poison ivy, poison oak, and poison sumac predominantly found in the United States?

A
  • Poison ivy: east of the Rocky Mountains
  • Poison oak: west of the Rocky Mountains
  • Poison sumac: southeastern United States
598
Q

What is the most common reaction to exposure to poison ivy, oak, or sumac?

A

An itchy red rash

599
Q

When do skin lesions typically appear after first-time exposure to urushiol?

A

21 to 48 hours, but may be delayed up to 21 days

600
Q

What is the best method to prevent a rash from urushiol exposure?

A

Avoidance of the plants

601
Q

What should be used to wash the area exposed to urushiol?

A

Warm or cold water and soap

602
Q

What topical treatment can be applied directly to the rash caused by urushiol?

A

Topical steroid cream

603
Q

What is Zanfel® Poison Ivy Wash used for?

A

To remove urushiol from the skin after an outbreak

604
Q

What causes sunburn?

A

Overexposure to the sun’s ultraviolet (UV) rays

605
Q

What are the two clinically important classes of UV rays?

A
  • UVA
  • UVB
606
Q

Which UV rays penetrate the skin deeply and contribute to skin cancers?

A

UVA rays

607
Q

Which UV rays are the chief cause of skin reddening and sunburns?

A

UVB rays

608
Q

What is the best way to prevent sunburn?

A

Avoid sun exposure

609
Q

What type of clothing is recommended to prevent sunburn?

A

Breathable full-length clothing

610
Q

What should sunscreen be labeled as to ensure it protects against both UVA and UVB rays?

A

Broad spectrum

611
Q

What does SPF stand for?

A

Sun Protection Factor

612
Q

How is SPF used to measure sunscreen effectiveness?

A

It measures the sunscreen’s ability to protect against UVB rays

613
Q

What is a common misconception about sunscreen?

A

There is no such thing as waterproof sunscreens

614
Q

Which medications can be used for pain control after sunburn?

A
  • Acetaminophen
  • Ibuprofen
615
Q

What topical treatment shows little to no benefit for sunburn relief?

A

Topical steroids

616
Q

What is an effective method for relieving itching from sunburn?

A

Cool soaks in water or cold showers

617
Q

What is the general management approach for bites and stings?

A

Conduct a primary and secondary survey to ensure the scene is safe and the victim is stable.

Infection is common with animal bites, and bites are tetanus-prone wounds.

618
Q

Name three types of bears found in North America.

A
  • Brown bear (Grizzly and Kodiak)
  • American black bear
  • Polar bear
619
Q

How fast can North American bears run?

A

Up to 40 mph

620
Q

What is an effective way to prevent bear attacks?

A

Make noise, such as talking or using hand clickers.

621
Q

What should you do if you encounter a brown bear?

A
  • Do not look into the bear’s eyes
  • Do not make sudden movements
  • Stand your ground but be submissive
  • If attacked, protect your neck in the fetal position.
622
Q

What actions should be taken if a black bear attacks?

A
  • Yell and throw things
  • Act aggressively towards the bear
  • Continue to fight back if attacked.
623
Q

What is another name for the mountain lion?

A

Cougar, puma, panther, or catamount.

624
Q

What is the main method by which snakes capture their prey?

A

They use specialized salivary glands that produce venom.

625
Q

What are the three families of snakes classified for medicine?

A
  • Vipers
  • Round snakes
  • Sea snakes
626
Q

What is the most common type of pit viper found in North America?

A

Rattlesnakes, copperheads, and cottonmouths.

627
Q

What is a significant characteristic of pit vipers?

A

Triangle-shaped head and heat sensing pits.

628
Q

What should be done in the case of a pit viper bite?

A

Evacuate all victims of bites from venomous snakes.

629
Q

What distinguishes coral snakes from other snakes?

A

Distinct color banding pattern.

630
Q

True or False: The bite from a coral snake is typically very painful.

A

False

631
Q

What should be avoided when treating snake bites?

A
  • Sawyer Extractor™
  • Pressure immobilization
  • Electric shock therapy
  • Local application of ice
  • Cutting and sucking the wound
  • Tight-fitting tourniquet
632
Q

What is the main vector for diseases responsible for deaths worldwide?

A

Mosquitoes

633
Q

What does a mosquito inject into the skin while biting?

A

Saliva containing an anticoagulant.

634
Q

What are some suggestions for avoiding mosquito bites?

A
  • Stay indoors at dusk
  • Choose campsites away from standing water
  • Wear long sleeves and pants
  • Use repellents like DEET, Picaridin, or Lemon Oil Eucalyptus.
635
Q

What type of organism are ticks classified as?

A

Arachnids

636
Q

What is the process by which ticks find hosts called?

A

Questing

637
Q

What is the maximum time frame in which a tick can transmit disease?

A

2-3 days

638
Q

What should you do if bitten by a tick?

A

Pull it off straight upward with steady pressure.

639
Q

What order of insects includes ants, bees, and wasps?

A

Hymenoptera

640
Q

What is the most common reaction to a bee sting?

A

Local reaction consisting of a small red patch that burns and itches.

641
Q

What should be done immediately after a scorpion sting?

A

Clean the sting site with soap and water.

642
Q

What is the most medically important scorpion in the United States?

A

Bark scorpion (genus Centruroides)

643
Q

What should be done immediately after a scorpion sting?

A

Epinephrine should be given immediately or go straight to the hospital.

644
Q

In which climates are scorpions typically found?

A

Desert and semiarid climates between 50 degrees north and south latitude.

645
Q

What is the most medically important scorpion in the United States?

A

The bark scorpion (genus Centruroides).

646
Q

Where is the bark scorpion primarily found?

A

Arizona and New Mexico.

647
Q

What is the typical outcome of most scorpion stings?

A

Most result in only local pain and inflammation.

648
Q

What is the first step in treating a scorpion sting?

A

Clean the sting site with soap and water.

649
Q

What should be used to help with pain from a scorpion sting if available?

A

Ice.

650
Q

What do studies suggest about the use of ice for scorpion stings?

A

Ice will help to neutralize the pain.

651
Q

What action should be taken if a bark scorpion is identified?

A

Evacuate as soon as possible.

652
Q

Who is at a greater risk of rapid decompensation after a scorpion sting?

A

Children and elders.

653
Q

What is the primary energy source for the body while hiking and backpacking?

A

Carbohydrates

Carbohydrates are easier for the body to process than fats or protein.

654
Q

How many grams of carbohydrates should one consume per hour while backpacking?

A

30 to 60 grams

This equates to approximately 120 to 240 calories.

655
Q

What can happen if you don’t consume enough carbohydrates during a hike?

A

The body will burn muscle protein and stored body fat

This can lead to feelings of weakness and hinder progress.

656
Q

List three examples of good carbohydrate sources for hiking.

A
  • Energy gels
  • Dried fruit
  • Protein bars
657
Q

What types of foods should be included in your diet prior to hiking?

A
  • Whole grains (brown rice, quinoa, oats)
  • Starchy vegetables (potatoes, peas)
  • Fruits of all kinds
658
Q

Why should you consume electrolytes while hiking?

A

To replenish sodium, chloride, potassium, magnesium, manganese, and calcium

This is crucial especially in heat to maintain performance levels.

659
Q

What can happen if you consume high volumes of water without electrolytes?

A

Hyponatremia

This is a life-threatening condition where the body lacks sufficient salts.

660
Q

What is the ideal ratio of carbohydrates to protein for recovery after exercise?

A

4:1 ratio

Carbohydrates replace lost glycogen while protein repairs muscle tissue.

661
Q

How soon after exercise should you eat for recovery?

A

Within 30 to 45 minutes

This is when the body is especially receptive to replenishing and repairing.

662
Q

True or False: Thirst is a reliable indicator that you are adequately hydrated.

A

False

Thirst is an early symptom of dehydration, indicating that you are already dehydrated.

663
Q

How much water should you drink about 2 hours before starting a hike?

A

14 to 22 ounces

This helps ensure you start your hike hydrated.

664
Q

What is a good goal for water or sports drink intake during a hike?

A

6 to 12 ounces every 15 to 20 minutes

This helps maintain hydration levels.

665
Q

What should you do to recover hydration after a hike?

A

Drink 16 to 20 ounces of water or sports drink every hour for a few hours

This is crucial for full rehydration.

666
Q

What should you consider when choosing a first aid kit for a trip?

A

Consider the following questions:
* Type of activity or sport
* Duration of the trip
* Size of the group
* Group kit or individual kit
* Distance from help
* Endemic diseases in the area
* Participants’ known conditions
* Distance from definitive care

667
Q

What is the main difference between a pre-made medical kit and a custom kit?

A

Pre-made medical kits cover general cuts and scrapes but may not be specific enough for all injuries. Custom kits can be tailored to specific activities and locations.

668
Q

What does the acronym PAWS stand for in the context of first aid kits?

A

PAWS stands for:
* Prevention / Procedures
* Analgesics / Antibacterials / Antiseptics
* Wound care
* Survival

669
Q

What are some prevention items that should be included in a first aid kit?

A

Items for prevention include:
* Water filter and purification tablets
* Gloves
* Sunscreen/lip balm
* Sunglasses
* Blister prevention and treatment
* Insect repellant and barriers

670
Q

Name three specific tools that can be used for procedures in a first aid kit.

A

Specific tools include:
* Wound care material (e.g., steri-strips, gauze)
* Scissors
* Blood pressure cuff and stethoscope

671
Q

True or False: Aspirin should be used in head injuries.

A

False

672
Q

What are some common broad-spectrum antibiotics to consider for a first aid kit?

A

Common antibiotics include:
* Doxycycline
* Cipro
* Amoxicillin/clavulanic acid
* Azithromycin

673
Q

What is anaphylaxis and what should be included in a first aid kit to treat it?

A

Anaphylaxis is a severe allergic reaction. Items to treat it include:
* EpiPen®
* Antihistamines
* Albuterol inhaler
* Oral steroids
* Ranitidine

674
Q

What wound care supplies are essential for a first aid kit?

A

Essential wound care supplies include:
* Gloves
* Alcohol swabs
* Gauze
* Steri-strips
* Tape
* Antibiotic ointment

675
Q

Fill in the blank: The potential for group members to be separated necessitates the inclusion of _______ items in a first aid kit.

A

[survival]

676
Q

List three items that should be included for survival in a first aid kit.

A

Survival items include:
* Map
* Compass
* Fire starter

677
Q

What is the importance of knowing endemic diseases in the area for which you are preparing a first aid kit?

A

Knowing endemic diseases helps in selecting appropriate medications to bring on the trip.

678
Q

What constitutes a lightweight medical kit for a backpacking trip?

A

A lightweight medical kit should contain items for treating high-altitude illness, cold exposure, trauma, and specific infectious diseases.

679
Q

What should you ensure regarding wound care supplies for each participant in a trip?

A

Each participant should bring their own necessary wound care supplies to ensure adequacy.

680
Q

What is the primary purpose of the primary assessment?

A

To keep the victim alive and identify major injuries

681
Q

What does the M in the MARCH acronym stand for?

A

Massive Hemorrhage

682
Q

What is the leading cause of death among Americans younger than 45?

A

Trauma

683
Q

Why is bleeding control prioritized in trauma care?

A

Bleeding out is the primary reason why physical trauma becomes fatal

684
Q

What type of bleeding is considered life-threatening?

A

Massive hemorrhage, such as from a lacerated artery

685
Q

What is the first step in addressing massive hemorrhage?

A

Perform a blood sweep

686
Q

Why is it important to look under layers of clothing during a blood sweep?

A

Blood can collect between layers, especially if clothing is waterproof or thick

687
Q

Which arteries are especially vulnerable to rapid bleed-outs?

A
  • Femoral artery
  • Carotid artery
  • Brachial artery
688
Q

What can happen if the femoral or carotid artery is punctured?

A

Immediate blood pressure drop and extremely rapid blood loss

689
Q

Where can major hemorrhage also occur besides external injuries?

A

Internally in cavities such as chest, abdomen, behind the kidney, and thigh

690
Q

What should you do if someone is bleeding to death internally?

A

Recognize the signs and evacuate them very quickly

691
Q

True or False: All bleeding control is a priority in trauma care.

A

False

692
Q

Fill in the blank: The _______ assessment starts with the primary MARCH assessment.

A

primary

693
Q

What should you look for on the ground or street when assessing a bleeding patient?

A

Blood

694
Q

What is the first step in stopping any blood loss?

A

Direct pressure

Direct pressure controls bleeding from most wounds and is the first action to take.

695
Q

What should you use to apply direct pressure to a wound?

A

The cleanest materials available

Using clean materials helps prevent infection.

696
Q

How long may scalp wounds require continuous, direct pressure?

A

30 to 60 minutes

Scalp wounds often bleed profusely and may need extended pressure.

697
Q

Where should you apply finger pressure when controlling a bleed?

A

Directly over the source of the bleed

Applying pressure too broadly may be less effective.

698
Q

What should you do to reduce blood flow to an injured limb?

A

Elevate the limb above the heart

Elevating helps decrease blood flow and can aid in controlling bleeding.

699
Q

What is a tourniquet?

A

A limb-constricting device to stop hemorrhage

It cuts off blood flow to the limb to control severe bleeding.

700
Q

Where should a tourniquet be placed in relation to the injury?

A

2-6 inches above the injury

It should not be placed directly over the wound or over a joint.

701
Q

What is the risk if a tourniquet is used for more than 3-4 hours?

A

Limb loss

Prolonged use of a tourniquet can cause irreversible damage to the limb.

702
Q

Should a tourniquet be intermittently loosened to allow blood back into the extremity?

A

No

Intermittent loosening is unnecessary and can worsen bleeding.

703
Q

True or False: You should remove a tourniquet as soon as bleeding stops.

A

False

The tourniquet should remain in place until the victim reaches a hospital.

704
Q

What is an improvised tourniquet used for?

A

To stop severe bleeding.

705
Q

What is the first step in applying an improvised tourniquet?

A

Wrap the brown bandana tightly around the limb.

706
Q

What should be done after wrapping the bandana around the limb?

A

Tie a knot.

707
Q

What type of item should be placed through the knot of the tourniquet?

A

A long, sturdy item.

708
Q

List some examples of sturdy items that can be used in an improvised tourniquet.

A
  • Stick
  • Ski pole
  • Tree branch
  • Kitchen utensil
709
Q

What is the next step after placing a sturdy item through the knot?

A

Twist as tight as possible.

710
Q

How should the sturdy item be secured once twisted?

A

With another piece of cloth or wrap.

711
Q

Fill in the blank: To apply an improvised tourniquet, first wrap a _______ tightly around the limb.

A

[brown bandana]

712
Q

What is the next step in the MARCH primary assessment?

A

Rapid airway assessment

Airway obstruction is a leading cause of death after head injuries.

713
Q

What is one of the leading causes of death after head injuries?

A

Airway obstruction

Can also occur after vomiting by an unconscious person.

714
Q

How long can the brain survive without oxygen before permanent damage occurs?

A

A few minutes

The brain can sustain permanent damage after just a few minutes of oxygen deprivation.

715
Q

What is a quick way to assess if the airway is clear?

A

Ask the victim to state their name

If the victim can speak, their airway is likely clear.

716
Q

What should be done if the victim is unconscious or if their airway is obstructed?

A

Reposition them for easier breathing

The goal is to lift the tongue and soft tissue off the back of the airway.

717
Q

What is the first method to reposition the airway?

A

Head-Tilt-Chin-Lift method

This method bends the neck backwards and should only be used if there is no spinal cord injury.

718
Q

What is the second method to reposition the airway?

A

Jaw-Thrust Method

This method minimizes neck motion while lifting the tongue off the throat.

719
Q

What should be specifically assessed in cases of airway obstruction?

A

Possibility of cervical spine injury

Assume a cervical spine injury in cases of high velocity fall, head injury, or significant injury above the chest.

720
Q

When should the jaw-thrust method be used?

A

When a cervical spine injury is suspected

The method helps to open the airway without moving the neck.

721
Q

What should never be done to establish or maintain an airway if a cervical spine injury is suspected?

A

Hyperextended, hyperflexed, or rotated the head or neck

These movements can exacerbate cervical spine injuries.

722
Q

What is respiration?

A

Breathing delivers oxygen to the lungs during inhalation and removes carbon dioxide during exhalation.

723
Q

What can cause a person to stop breathing?

A

Head or spinal injuries, lightning strikes.

724
Q

What conditions can lead to inadequate respiration?

A

Heart failure, severe asthma attacks, burns, chest injuries, fluid in the lungs.

725
Q

How can you assess for adequate respiration?

A

Watch the chest wall movement; it should rise and fall equally on both sides.

726
Q

What might be necessary to visualize chest wall movement effectively?

A

Removing clothing from the victim if they are wearing heavy gear.

727
Q

What should you do if the victim is not breathing on their own?

A

Assist by delivering breaths to them.

728
Q

What percentage of oxygen is found in exhaled air from a human?

A

16% oxygen.

729
Q

What is the most effective way of delivering rescue breaths?

A

Using a CPR mask.

730
Q

What is crucial for the effectiveness of a CPR mask?

A

It must be tightly sealed around the victim’s mouth and nose.

731
Q

What are the dimensions of compact and collapsible CPR masks suitable for backcountry med kits?

A

1 inch x 1 inch.

732
Q

What should be done if no CPR mask is available?

A

Mouth-to-mouth may be needed.

733
Q

What technique should the rescuer use during mouth-to-mouth resuscitation?

A

Pinching the nose closed and tilting the chin up to open the airway.

734
Q

What should you do if your breaths are hitting resistance?

A

Try to reposition the airway.

735
Q

What is the fourth step of the MARCH protocol?

A

Quickly checking for a pulse

Check for pulses for 10 seconds at the neck (carotid artery) using the tips of your index and middle fingers.

736
Q

What motto has the American Heart Association emphasized for layperson CPR?

A

“Push Hard-Push Fast.”

This motto is aimed at encouraging effective chest compressions.

737
Q

What should a rescuer do if a victim is unresponsive and not breathing?

A

Call 911, obtain an AED if available, and start chest compressions.

738
Q

How should the victim be positioned for chest compressions?

A

On their back on a firm surface.

739
Q

Where should you place your palm during chest compressions?

A

Over the victim’s breastbone.

740
Q

What is the recommended depth for each chest compression?

A

At least two inches.

741
Q

What is the target rate for chest compressions per minute?

A

About 100 compressions per minute.

742
Q

Name two songs that can be used as a rhythm for chest compressions.

A
  • Staying Alive
  • Sweet Home Alabama
743
Q

What should you do if you are comfortable with CPR and delivering breaths?

A

Alternate between 30 compressions and 2 rescue breaths.

744
Q

What is the most important part of CPR?

A

Chest compressions.

745
Q

Under what conditions should you stop performing CPR?

A
  • Someone can assist
  • You become exhausted
  • The victim is revived
  • A qualified person pronounces the victim dead
746
Q

After how long should you typically stop CPR if the victim remains unresponsive?

A

30 minutes.

747
Q

What should you do if you have access to an AED?

A

Place the pads on the victim’s chest as soon as possible.

748
Q

What is important to follow when using an AED?

A

The instructions of the AED about whether to deliver a shock or to continue compressions.

749
Q

What is the final step of the MARCH protocol?

A

Assessing whether the victim needs urgent evacuation or may stay in the field for further assessment.

750
Q

What are some indicators that always require urgent evacuation?

A
  • Difficulty breathing
  • Weak or rapid pulse
  • Head or spinal injury
  • Open fracture
  • Major hemorrhage
751
Q

In the MARCH protocol, what does the ‘H’ sometimes refer to?

A

‘Hypo/hyperthermia’ rather than ‘hike vs helicopter.’

752
Q

What should you do if a major injury or disability is present?

A

Call for evacuation.

753
Q

What is the purpose of the MARCH primary assessment?

A

To make a quick overall assessment of the patient’s potential life-threatening injuries.

754
Q

If the patient is stable after the MARCH primary assessment, what should you do next?

A

Proceed to a complete physical examination and secondary assessment.

755
Q

True or False: The MARCH protocol includes a step for assessing breathing difficulties.

A

True.

756
Q

Fill in the blank: The MARCH protocol is used to assess potential life-threatening _______.

A

[injuries].

757
Q

What is the focus of the secondary assessment?

A

A more thorough investigation of the medical problem and the circumstances surrounding the injury or illness.

758
Q

What are the two components of the secondary assessment?

A
  • A complete physical examination
  • A SAMPLE History
759
Q

What does a complete physical examination entail?

A

A head-to-toe physical exam on the patient.

760
Q

What is a key guideline for performing a physical examination?

A

Explain what you are doing and why to involve the patient in their own care.

761
Q

When should you avoid moving the patient during the examination?

A

Except in cases of imminent danger, avoid moving the patient until after the head-to-toe exam is complete.

762
Q

How do you measure heart rate?

A

Place your fingers on the neck (carotid artery) and count for 15 seconds (multiply by 4) or 30 seconds (multiply by 2).

763
Q

What is the normal heart rate range for adults?

A

50 to 100 beats per minute.

764
Q

What should a standard pulse reading include?

A
  • Rate
  • Rhythm
  • Strength
765
Q

What might a well-conditioned athlete’s pulse rate be?

A

A normal pulse rate below 50.

766
Q

What factors can increase heart rate?

A
  • Shock
  • Exercise
  • Altitude
  • Illness
  • Emotional stress
  • Fever
767
Q

How is respiratory rate counted?

A

Each rise of the chest is counted over 15 seconds (multiply by 4) or 30 seconds (multiply by 2).

768
Q

What is the normal respiratory rate range?

A

12 to 20 breaths per minute.

769
Q

What should be noted when assessing respiratory rate?

A
  • Labored vs unlabored
  • Regular vs irregular
  • Shallow vs deep
  • Clear vs wheezing
770
Q

Fill in the blank: The respiratory rate is _______.

A

[key learning term]

771
Q

True or False: Children may have resting heart rates higher than 100 beats per minute.

A

True

772
Q

What is an example of a complete pulse reading?

A

The pulse is 110, irregular, and weak.

773
Q

What is another example of a complete respiratory rate reading?

A

Respiratory rate is 30, shallow and irregular.

774
Q

What is the Level of Responsiveness?

A

A quick gauge of brain function critical for assessing individuals with potential head injuries or other conditions affecting awareness

Level of responsiveness is evaluated based on a person’s awareness of self, location, and time.

775
Q

What does A+Ox3 indicate?

A

The person is awake and oriented to person, place, and time

One point is given for each correct identification: name, location, and date/time.

776
Q

What does A+Os4 signify?

A

The person knows person, place, time, and events

This indicates a high level of cognitive function.

777
Q

What does A+O≤3 represent?

A

The person knows three of the four: person, place, time, or events

This shows a moderate level of orientation.

778
Q

What does AT Ox? mean?

A

The person knows two of the categories: events and time

This reflects a lower level of awareness.

779
Q

What does A+Oxl indicate?

A

The person knows only one category

This suggests significant confusion or disorientation.

780
Q

What does A+Os0 mean?

A

The person does not know person, place, or time, or they are completely unconscious

This indicates a critical level of impaired consciousness.

781
Q

What are the key skin signs that indicate the condition of respiratory and cardiovascular systems?

A

Skin color, temperature, and moisture

These factors help assess a person’s overall health status.

782
Q

Describe the skin condition of a healthy person.

A

Warm and relatively dry

This is the expected state of skin in a healthy individual.

783
Q

What does it mean if a patient’s skin is described as pale, cool, and clammy?

A

It indicates potential distress or poor circulation

This can be a sign of shock or other serious conditions.

784
Q

What does it mean if a patient’s skin is warm, pink, and dry?

A

It indicates good circulation and hydration

This is a positive sign of health and stability.

785
Q

What is the purpose of a head-to-toe assessment?

A

To ensure no injuries are missed by assessing the whole body.

786
Q

What does PERRL stand for in eye assessment?

A

Pupils are Equal, Round, and Reactive to Light.

787
Q

What should be checked in the nose during a head assessment?

A

Check for breaks and for blood or clear fluid (CSF).

788
Q

What should be assessed behind the ears?

A

Check for bruising and inside ears for blood and clear fluid (CSF).

789
Q

What should be checked in the mouth during the assessment?

A

Check for blood, vomit, and missing teeth.

790
Q

How should the neck be assessed?

A

Palpate the front/backside of neck, collarbone, and shoulder for deformities.

791
Q

What does a deviation of the trachea indicate?

A

A deviation may indicate a pneumothorax on the opposite side.

792
Q

What technique is used to assess lung function?

A

Place hand vertically along the sternum and observe lung movement.

793
Q

What should be palpated in the abdomen?

A

Watch for visible signs of pain while palpating each quadrant.

794
Q

What is the procedure for assessing the pelvis?

A

Firmly press downward and then inward on the sides.

795
Q

How do you check for bone breaks in the legs?

A

Place hands about 3 inches apart and push in opposite directions on the bone.

796
Q

What is the first step before testing knee mobility?

A

Check the upper and lower legs for bone breaks.

797
Q

What should be assessed in the feet?

A

Test voluntary movement, strength, sensation, and capillary refill time.

798
Q

How is capillary refill time tested in toes?

A

Press down on the toenail for 5 seconds; color should return in 2 seconds.

799
Q

What should be done to test voluntary movement in hands?

A

Ask the patient to squeeze your fingers.

800
Q

How should sensation be tested in hands?

A

Scratch or tap the hand and ask the patient to describe what is happening.

801
Q

What is checked during the shoulder assessment?

A

Palpate shoulders for pain and check for full range of motion.

802
Q

Fill in the blank: When assessing the abdomen, you should watch the patient’s face for visible signs of _______.

A

pain.

803
Q

True or False: It is important to check the patient’s mouth for vomit during a head-to-toe assessment.

A

True.

804
Q

What does the acronym SAMPLE stand for in patient assessment?

A

Symptoms, Allergies, Medications, Past Medical History, Last Intake and Output, Events

805
Q

What is the difference between a symptom and a sign?

A

A symptom is something the patient perceives (e.g., pain), while a sign is something you can find during an exam (e.g., tenderness)

806
Q

What should you ask a patient regarding their symptoms?

A

Ask about nausea, dizziness, headache, and any discomfort

807
Q

What information should you gather about allergies?

A

Current medications, known allergies, exposure to allergens, and usual response

808
Q

What types of drugs should be inquired about during patient assessment?

A

Both nonprescription and prescription drugs, as well as possible alcohol or drug use

809
Q

Why is it important to ask about past medical history?

A

To identify any previous and relevant medical problems and check for medical alert tags

810
Q

What information is relevant regarding last intake and output?

A

When the patient last ate and drank, last urinated, and last defecated

811
Q

What does clear, copious urine indicate?

A

Good hydration

812
Q

What does dark, smelly urine suggest?

A

Dehydration

813
Q

What are some signs that a patient may be dehydrated?

A

Dark, smelly urine, diarrhea, or vomiting

814
Q

What should you ask regarding recent events?

A

Unusual circumstances that occurred in the past few days relevant to the patient’s situation or injury

815
Q

What does the SOAP note serve as in wilderness medicine?

A

Documentation for the patient’s medical condition and treatment or evacuation plans.

816
Q

Why is it important to document the patient’s experience?

A

To give an accurate report to EMS and protect against legal claims.

817
Q

What does the ‘S’ in SOAP stand for?

A

Subjective.

818
Q

What type of information is included in the Subjective component?

A

Information provided by the patient or bystanders, including the event/injury summary.

819
Q

What key points should be communicated in the Subjective section?

A
  • Patient’s age and gender
  • Chief complaint
  • Mechanism of injury (MOI) or history of present illness (HPI)
820
Q

What does ‘MOI’ stand for and what does it explain?

A

Mechanism of Injury; it explains what led to the injury.

821
Q

Provide an example of a chief complaint.

A

Throbbing pain in the left wrist.

822
Q

What does the ‘O’ in SOAP stand for?

A

Objective.

823
Q

What type of data is included in the Objective component?

A

Quantifiable and measurable data, findings, and observations.

824
Q

What should be noted about the patient’s position after the MOI?

A

The position you found the patient in.

825
Q

List some relevant findings to convey to a healthcare provider.

A
  • Bruises/bleeding
  • Unusual hardness/softness
  • Breathing sounds
  • Pain responses
  • Changes to circulation, sensation, and motion (CSMs)
826
Q

What are vital signs and why are they important in a SOAP note?

A

They provide critical information about the patient’s current state and changes over time.

827
Q

What does ‘AAO x 4’ indicate?

A

Alert and Oriented to person, place, time, and event.

828
Q

What does the ‘A’ in SOAP stand for?

A

Assessment.

829
Q

What is included in the Assessment component?

A

The diagnosis based on signs/symptoms and reasoning.

830
Q

What should be done if unsure about a diagnosis?

A

List more than one possibility.

831
Q

What does the ‘P’ in SOAP stand for?

A

Planning or Plans for Patient.

832
Q

What should be outlined in the Planning component?

A

The beginning treatment plan and possible future steps.

833
Q

What is important to remember when presenting to EMS?

A

Always defer to their recommendations for evacuation and care.

834
Q

Fill in the blank: The SOAP note is a critical part of _______ certification.

A

[Wilderness First Responder]

835
Q

What is the most important topic in wilderness medicine?

A

The management of someone injured or sick in the wilderness

836
Q

What are the four effective survey techniques for initial assessment in wilderness medicine?

A
  • Scene survey
  • Primary survey
  • Secondary survey
  • Ongoing survey
837
Q

What is the first step in a scene survey?

A

Ensure that the scene is safe before entering to assess the victim

838
Q

What does the MARCH acronym stand for in primary survey prioritization?

A
  • Massive hemorrhage
  • Airway (with C-spine precautions)
  • Respiration
  • Circulation
  • Hypothermia/Hyperthermia or Hike vs. Helicopter
839
Q

In the primary survey, what is the top priority?

A

Preventing major hemorrhage

840
Q

What acronym is used for the secondary survey?

A

SAMPLE

841
Q

What does the SAMPLE acronym stand for?

A
  • Symptoms/Subjective
  • Allergies
  • Medicine
  • Prior medical history
  • Last oral intake
  • Events leading up to illness/injury
842
Q

What should be done in the ongoing survey?

A

Repeat the survey as often as needed, especially if the patient is unstable

843
Q

What does the AVPU acronym represent in ongoing surveys?

A
  • Alert
  • Verbal
  • Pain
  • Unresponsive
844
Q

What is the purpose of the AEIOU Tips mnemonic?

A

To identify potential causes for a victim’s altered mental status

845
Q

What does AEIOU Tips stand for?

A
  • Allergies/Altitude
  • Environment/Epilepsy
  • Infection
  • Overdose
  • Underdose
  • Trauma, toxins
  • Insulin (diabetes)
  • Psychological disorders
  • Stroke
846
Q

What acronym is used to characterize a victim’s pain?

A

COLDERR

847
Q

What does COLDERR stand for?

A
  • Character
  • Onset
  • Location
  • Duration
  • Exacerbation
  • Relief
  • Radiation
848
Q

What is the recovery position?

A

The patient is placed on their side to keep the airway open and prevent aspiration if they vomit

849
Q

What should be the first action if you suspect a drowning victim?

A

Perform rescue breaths if the patient has a pulse

850
Q

What is the risk-to-benefit ratio in scene safety?

A

It weighs the risks of moving the victim against the potential dangers of leaving them in a hazardous situation

851
Q

What is a blood sweep?

A

A quick assessment to identify any major bleeding or deformities in the musculoskeletal system

852
Q

What mnemonic helps remember areas where internal bleeding can occur?

A

CARTS

853
Q

What does CARTS stand for?

A
  • Chest
  • Abdomen
  • Renal
  • Thigh
  • Skin/street
854
Q

What is the purpose of wound irrigation?

A

To clean the wound and remove debris, while protecting oneself with Body Substance Isolation (BSI)

855
Q

What is the SOAP acronym used for?

A

Medical documentation

856
Q

What does SOAP stand for?

A
  • Subjective
  • Objective
  • Assessment
  • Plan
857
Q

True or False: The verbal presentation when handing off a patient should follow the structure of a SOAP note.

A

True

858
Q

What symptoms indicate that Pat may be experiencing a heart attack?

A

Squeezing chest pressure and shortness of breath

859
Q

What should Pat avoid doing if he is experiencing a potential heart attack?

A

Skiing the rest of the way down the hill

860
Q

What is the recommended action for ski patrol when assisting Pat?

A

Come to him and assist him down

861
Q

Why is it important for someone experiencing a heart attack to rest in place?

A

To avoid further strain on the heart

862
Q

When should a person experiencing a heart attack exert themselves?

A

Only if there is no other way to get to medical care

863
Q

What is the urgency level for evacuating someone having a heart attack?

A

Urgent; they should be taken to medical care as fast as possible

864
Q

What medication should be given to Pat as soon as possible?

A

Aspirin

865
Q

What is the appropriate dosage of aspirin for a heart attack?

A

160-325mg, usually 1 adult strength or 4 baby aspirin

866
Q

How should the aspirin be administered for faster absorption?

A

Crush it once between molars and swallow the fragments

867
Q

What is the risk of delaying aspirin administration during a heart attack?

A

Causing more damage to the cardiac tissue

868
Q

Can heart attack symptoms improve while at rest?

A

Yes, but the heart attack may still be happening

869
Q

What additional medication can be given if available and deemed necessary?

A

Nitroglycerin

870
Q

What can Tylenol help with when administered before or with nitroglycerin?

A

Prevent/treat headaches associated with nitroglycerin use

871
Q

What should be done if aspirin is not immediately available?

A

Instruct patient to take 2-3 Pepto-Bismol tablets

872
Q

What is the active ingredient in Pepto-Bismol that can help during a heart attack?

A

Subsalicylate

873
Q

What does subsalicylate convert to in the stomach?

A

Salicylate (salicylic acid)

874
Q

What is the purpose of taking Pepto-Bismol during a potential heart attack?

A

To provide an adequate dose of salicylate to thin the blood

875
Q

What condition did Ashley likely experience?

A

Syncope from dehydration or overheating

Syncope refers to a temporary loss of consciousness often related to insufficient blood flow to the brain.

876
Q

What symptoms did Ashley exhibit before collapsing?

A

Lightheadedness and tunnel vision

Tunnel vision refers to the narrowing of the field of vision, often experienced just before fainting.

877
Q

What should Ashley do after experiencing syncope?

A

Rest in the shade and rehydrate

Resting and rehydrating helps restore electrolyte balance and prevent further episodes.

878
Q

What fluids should be given to Ashley to aid recovery?

A

Fluids with electrolytes

Electrolytes are essential for nerve and muscle function, especially after dehydration.

879
Q

What is a recommended way to ensure electrolyte intake?

A

Use electrolyte packets

Electrolyte packets, such as Pedialyte Advance Care, can be easily mixed with water.

880
Q

List other possible diagnoses for fainting.

A
  • Low blood pressure
  • Heart problems
  • Dehydration
  • Hypoglycemia
  • Seizure
  • Medications
  • Pregnancy

Each of these conditions can lead to reduced blood flow to the brain, resulting in fainting.

881
Q

What can low blood pressure cause?

A

Reduced blood flow to the brain

Low blood pressure may lead to symptoms such as dizziness and fainting.

882
Q

What distinguishes a seizure from syncope?

A

Seizures may involve convulsions and longer recovery time

During a seizure, the person may not regain consciousness immediately and may exhibit shaking.

883
Q

What medications can cause fainting as a side effect?

A

Blood pressure medications and antidepressants

Some medications can lower blood pressure or affect the nervous system, leading to syncope.

884
Q

What factors determine the decision to evacuate someone after fainting?

A
  • Overall health and medical history
  • Severity of symptoms
  • Resources available for treatment and transport

Evaluating these factors is crucial for ensuring patient safety.

885
Q

What specific signs warrant immediate evacuation?

A
  • Unconsciousness for more than a few minutes
  • Severe dehydration
  • Hypothermia
  • Pregnancy-related issues

These conditions can indicate serious health risks that require urgent care.

886
Q

What was Ashley’s likely cause of fainting?

A

Inadequate water intake during a long hike in the heat

Proper hydration is crucial, especially during physical activities in hot conditions.

887
Q

True or False: Ashley has a personal or family history of heart problems.

A

False

Ashley has no known heart issues, making her case less concerning for cardiac-related fainting.

888
Q

Fill in the blank: If Ashley had experienced sudden abdominal pain along with fainting, it would raise concerns about _______.

A

[pregnancy]

Sudden abdominal pain in conjunction with fainting can indicate serious pregnancy complications.

889
Q

What are potential allergens found in the wilderness?

A

Bees, insects, plants, foods, and countless other exposures.

890
Q

Why is it important to be prepared for allergic reactions in the wilderness?

A

Symptoms can develop within seconds of exposure, necessitating rapid response and treatment.

891
Q

What are the three categories of allergic reactions?

A
  • Local
  • Generalized
  • Systemic (anaphylaxis)
892
Q

What characterizes a local allergic reaction?

A

Development of inflammation symptoms (redness and swelling) and itching on the skin.

893
Q

What are the common treatments for local allergic reactions?

A
  • Topical corticosteroids
  • Diphenhydramine (Benadryl)
894
Q

What symptoms are associated with generalized allergic reactions?

A

Symptoms similar to local reactions, but occurring in areas beyond the site of exposure, such as hives throughout the abdomen, face, and extremities.

895
Q

Are generalized allergic reactions life-threatening?

A

Generally not life threatening.

896
Q

Fill in the blank: Local allergic reactions are the _______ severe of the three categories.

A

[least]

897
Q

True or False: Diphenhydramine is effective for alleviating itching symptoms and seasonal allergies.

A

True

898
Q

What is anaphylaxis?

A

A medical emergency that could result in significant respiratory and circulatory compromise if treatment is not provided promptly.

899
Q

How quickly can symptoms of anaphylaxis develop?

A

Symptoms may develop rapidly (within seconds to minutes) or over a longer period (in rare cases, may occur hours after exposure).

900
Q

What are the initial symptoms of anaphylaxis?

A

Itching, urticaria (hives), and inflammation of exposed and distant areas (including the lips and tongue).

901
Q

What respiratory issues can arise during anaphylaxis?

A

Inflammation of the airway can lead to diminished respiratory function and capacity, causing shortness of breath, chest tightness, and wheezing.

902
Q

What happens to blood pressure during anaphylaxis?

A

Blood pressure can drop dangerously low due to systemic vasodilation.

903
Q

What gastrointestinal symptoms can occur in anaphylaxis?

A

Vomiting and diarrhea.

904
Q

True or False: Anaphylaxis is less dangerous than other allergic reactions.

A

False

905
Q

Fill in the blank: Anaphylaxis may cause _____ in the airway, leading to respiratory issues.

A

inflammation

906
Q

What is the primary purpose of an EpiPen®?

A

To treat rapid onset of respiratory failure and shock due to anaphylactic reactions

EpiPen contains epinephrine, which is crucial in emergencies.

907
Q

What physiological effects does epinephrine have during anaphylactic shock?

A

Induces vasoconstriction and bronchodilation

These effects help reduce shock and airway inflammation.

908
Q

What is the recommended location for administering an EpiPen injection?

A

Intramuscularly into the thigh

The needle can penetrate through clothing.

909
Q

What is the guideline for the EpiPen’s orientation during injection?

A

Blue to the sky, orange to the thigh

The orange end contains the injectable needle.

910
Q

How long should the EpiPen be held in place after injection?

A

About ten seconds

This ensures the medication is administered effectively.

911
Q

When might a second dose of epinephrine be necessary?

A

Within 5-20 minutes if symptoms do not improve

Symptoms include wheezing and respiratory difficulties.

912
Q

What additional medications can be administered after epinephrine for anaphylactic reactions?

A

Antihistamines, corticosteroids, and inhaled beta2 agonists

Examples include Benadryl, Zantac, prednisone, and albuterol.

913
Q

True or False: Antihistamines and corticosteroids alone can effectively treat anaphylaxis.

A

False

Only the EpiPen is effective for serious body-wide complications and airway closure.

914
Q

Fill in the blank: The EpiPen should ideally be available in both _______ and _______ forms.

A

pediatric, adult

This ensures proper dosing for individuals of different ages.

915
Q

What should be done immediately after administering an Epi Pen for anaphylaxis?

A

Transport the patient to a medical center as quickly as possible

This is crucial because symptoms may return even if they initially disappear.

916
Q

What is a biphasic reaction in the context of anaphylaxis?

A

A second wave of anaphylaxis that can occur after initial symptoms have been treated

It emphasizes the need for continued medical observation.

917
Q

What is the legal protection provided by Good Samaritan Laws?

A

Protection against civil damages for individuals rendering emergency care

This applies as long as the assistance is given in good faith and without compensation.

918
Q

Can a bystander be sued for administering an Epi Pen?

A

In most cases, no

Good Samaritan Laws generally protect such actions.

919
Q

What must an individual do to be protected under Good Samaritan Laws?

A

Offer assistance in good faith and without compensation

This is crucial for legal protection.

920
Q

What should outdoor programs and recreational businesses obtain regarding Epi Pen administration?

A

Medical and legal guidance

This is essential for compliance with varying state and county laws.

921
Q

Fill in the blank: Anaphylaxis can return in a second wave known as a _______.

A

biphasic reaction

922
Q

True or False: Epi Pens can fully resolve anaphylaxis without further medical attention.

A

False

Even if symptoms improve, emergency medical care is still necessary.

923
Q

What types of laws vary between jurisdictions concerning Epi Pen administration?

A

Good Samaritan Laws

These laws affect both laypersons and caregivers differently.

924
Q

What do Good Samaritan Laws provide?

A

Widespread legal protection for providing care at the scene of an emergency

Protection is granted as long as the caregiver acts in good faith, without compensation, and without reckless action.

925
Q

What should you do if you suspect a patient is experiencing anaphylaxis?

A

Administer the Epi Pen

A single dose poses little danger even if the patient is not truly experiencing anaphylaxis.

926
Q

What are common side effects of administering epinephrine?

A

Tachycardia, anxiety, weakness, shaking

These side effects are usually mild and last only a few minutes.

927
Q

What is the legal requirement under Good Samaritan Law to administer an Epi Pen?

A

Have reason to believe the individual is suffering or about to suffer a life-threatening reaction

This legal protection applies in most cases.

928
Q

What is the conclusion regarding the benefits of giving an Epi Pen?

A

The benefits outweigh the risks if there is any suspicion of anaphylaxis.

929
Q

Do you need to be certified to administer an Epi Pen?

A

No, certification is not required for lay person administration

This applies in the case of a suspected severe allergic reaction.

930
Q

What should outdoor industry workers check regarding Epi Pen administration?

A

Workplace specific guidelines for staff training.

931
Q

What should EMTs, paramedics, and nurses do regarding Epi Pen administration?

A

Defer to their medical director, county, and hospital regulations.

932
Q

Do Good Samaritan Laws apply to paid medical services during emergencies?

A

No, they do not specifically apply to those being paid for their services.

933
Q

Do I need a parent’s permission to inject epinephrine into a child?

A

No, if you believe the child is having an anaphylactic reaction

The Good Samaritan Law allows for this under emergency circumstances.

934
Q

What should you do if parents are nearby when administering epinephrine?

A

Include them in the discussion and decision

It’s important to involve parents if they are able to assist.

935
Q

Are volunteers protected under the Good Samaritan Law when administering epinephrine?

A

Yes, if certain conditions are met

Conditions include being employed by an organization, having doctor authorization, being trained, and believing in good faith that an allergic reaction is occurring.

936
Q

What are the conditions that protect a volunteer administering epinephrine?

A
  • Employed by an organization
  • Doctor’s authorization
  • Trained to administer
  • Good faith belief of allergic reaction

Protection may not apply if gross negligence or misconduct occurs.

937
Q

What happens if epinephrine is accidentally injected into the hands or feet?

A

May result in loss of blood flow and requires immediate medical attention

Go to the nearest emergency room for treatment.

938
Q

True or False: You can be sued for administering epinephrine if you are a paid employee.

A

True, unless you meet specific criteria for protection

The Good Samaritan Law typically does not protect paid individuals.

939
Q

If you accidentally inject an Epi Pen into your hand or foot, what should you do?

A

Go to the nearest emergency room immediately

Prompt medical treatment is crucial to address potential complications.

940
Q

Can an adult-strength EpiPen be given to a child if it’s the only medication available?

A

Yes, a larger than prescribed dose of epinephrine can be given if that is the only medication available

It is unlikely to cause serious harm at the larger dose, and it could save the child’s life.

941
Q

What is the dosage of adrenaline in an EpiPen®?

A

0.3mg adrenaline

EpiPen® contains 0.3mg of adrenaline.

942
Q

What is the dosage of adrenaline in an EpiPen® Jr?

A

0.15mg adrenaline

EpiPen® Jr contains half the dose of the adult version.

943
Q

Who is recommended to use EpiPen® 0.3mg?

A

Anyone weighing over 25kg

EpiPen® 0.3mg is recommended for individuals weighing over this threshold.

944
Q

What is the recommended use of EpiPen® Jr?

A

Children weighing between 7.5 – 25kg

EpiPen® Jr. 0.15mg is specifically for this weight range.

945
Q

Can an adult EpiPen be used on a child?

A

Yes, if an EpiPen Jr. is not available

An adult EpiPen can be administered to a child in emergency situations.

946
Q

Is it safe to use an expired EpiPen?

A

There is no guarantee it will work, but it is better than nothing

It may still be effective, especially if it is recently expired.

947
Q

What determines the expiration date of a medication like EpiPen?

A

A series of tests conducted by the medication’s manufacturer

The expiration date ensures the medication works as expected until that date under proper storage conditions.

948
Q

Do liquid medications, like EpiPens, have a higher chance of failing after expiration?

A

Yes, they break down faster than solid dosage forms

Liquid medications are more susceptible to degradation post-expiration.

949
Q

What should you do if a recently expired EpiPen is all you have?

A

You should use it

It can be the only out-of-hospital intervention available for an anaphylactic reaction.

950
Q

True or False: It is safest to always use an EpiPen before it expires.

A

True

The guarantee of effectiveness only applies up to the expiration date.