Ch. 17 Flashcards

1
Q

The body’s transition between normal function and death is called:

A) exsanguination.
B) homeostasis.
C) hemorrhage.
D) shock.

A

D) shock.

Page Ref: 415
Objective: 17.1 Define key terms introduced in this chapter.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which of the following patients should NOT receive any resuscitation attempts?

A) 45-year-old who was pulled from an icy lake after being submerged for 10 minutes
B) 5-year-old pulled from swimming pool in summertime
C) 26-year-old with transection of the torso from a sheet of metal at a shipyard
D) 10-year-old struck by auto in a medium-speed collision

A

C) 26-year-old with transection of the torso from a sheet of metal at a shipyard

Page Ref: 443
Objective: 17.2 Identify situations in which you should withhold resuscitative attempts.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

You have arrived on the scene of a 44-year-old man in cardiac arrest. According to family, the patient has a cardiac history and was complaining of chest pain most of the morning. They state that it has been about 10 minutes since he collapsed. To maximize the patient’s opportunity for a successful outcome, which of the following is the MOST important intervention that the EMT can make immediately?

A) Administration of advanced drugs by paramedics
B) Defibrillation with an AED
C) Administration of oxygen through a nonrebreather mask
D) Cardiopulmonary resuscitation

A

D) Cardiopulmonary resuscitation

Page Ref: 435
Objective: 17.5 Explain the importance of high-quality chest compressions CPR.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

An AED should NOT be applied to a patient:

A) in ventricular tachycardia.
B) in ventricular fibrillation.
C) with a pulse.
D) without a pulse.

A

A) in ventricular tachycardia.

Page Ref: 437
Objective: 17.6 Describe the features, functions, advantages, limitations, use, and precautions in the use of automatic external defibrillators (AEDs).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A seven-year-old boy choked on a grape at school. By the time the obstruction was removed, assessment revealed him to be in cardiac arrest. When you arrive, teachers are performing CPR. The school nurse informs you that CPR has been in progress for six minutes. You have an AED but do not have a pediatric conversion device that reduces the energy of defibrillation from that of an adult to that of a child. Which of the following should you do immediately?

A) Instruct the teachers to continue CPR for another minute before applying the AED.
B) Continue CPR and transfer the boy to the stretcher for immediate transport.
C) Perform five abdominal thrusts and then one minute of CPR before using the AED.
D) Place the electrodes on the boy’s chest and follow the AED’s prompts.

A

D) Place the electrodes on the boy’s chest and follow the AED’s prompts.

Page Ref: 442
Objective: 17.6 Describe the features, functions, advantages, limitations, use, and precautions in the use of automatic external defibrillators (AEDs); 17.9 Given a series of cardiac arrest scenarios involving infants, children, and adults, demonstrate appropriate assessment and resuscitative techniques, including the integrated use of CPR, AEDs, airway management, and ventilation; 17.13 Explain the importance of AED maintenance, EMS provider training and skills maintenance, medical direction, and continuous quality improvement in the Chain of Survival of cardiac arrest.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

After analyzing a cardiac arrest patient’s heart rhythm, the AED provides a “Deliver shock” message. After clearing the patient, the AEMT’s next step should be to:

A) press the shock button, and then perform CPR for two minutes.
B) press the shock button, and then allow the AED to analyze the heart rhythm.
C) press the shock button, and then check for the return of a pulse.
D) check for a pulse, and then press the shock button if a pulse is not present.

A

A) press the shock button, and then perform CPR for two minutes.

Page Ref: 440
Objective: 17.6 Describe the features, functions, advantages, limitations, use, and precautions in the use of automatic external defibrillators (AEDs); 17.13 Explain the importance of AED maintenance, EMS provider training and skills maintenance, medical direction, and continuous quality improvement in the Chain of Survival of cardiac arrest.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

You have been called to a public pool for an unresponsive patient. On arrival you find lifeguards performing CPR on a 67-year-old man and administering oxygen to him with a pocket mask. They report that the patient was in the water and was seen clutching his chest seconds before going unresponsive. He was immediately pulled from the water and CPR was initiated. They estimate that CPR has been performed for five minutes. Assessment shows the man to be unresponsive, apneic, and pulseless. Which of the following is your FIRST response?

A) “Stop CPR and let us apply the AED.”
B) “We need to quickly dry him from head to toe before applying the AED.”
C) “Let us take a towel and dry off his chest.”
D) “Let us start ventilation with a bag-valve mask and oxygen.”

A

C) “Let us take a towel and dry off his chest.”

Page Ref: 441
Objective: 17.6 Describe the features, functions, advantages, limitations, use, and precautions in the use of automatic external defibrillators (AEDs); 17.13 Explain the importance of AED maintenance, EMS provider training and skills maintenance, medical direction, and continuous quality improvement in the Chain of Survival of cardiac arrest.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which of the following cardiac arrest rhythms is the AED designed to shock?

A) Ventricular fibrillation
B) Bradycardia
C) Asystole
D) Pulseless electrical activity

A

A) Ventricular fibrillation

Page Ref: 437
Objective: 17.7 Compare and contrast ventricular fibrillation, ventricular tachycardia, asystole, and pulseless electrical activity.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which of the following statements about the heart rhythm of ventricular fibrillation is TRUE?

A) “When a patient’s heart is in ventricular fibrillation, it is unable to pump blood throughout the body.”
B) “The AED is designed to identify ventricular fibrillation and give a ‘No shock advised’ message when it is present.”
C) “The most effective treatment for converting ventricular fibrillation to a healthy heart rhythm is CPR.”
D) “Ventricular fibrillation occurs when the heart rate is so slow and weak that a pulse cannot be felt.”

A

A) “When a patient’s heart is in ventricular fibrillation, it is unable to pump blood throughout the body.”

Page Ref: 437
Objective: 17.7 Compare and contrast ventricular fibrillation, ventricular tachycardia, asystole, and pulseless electrical activity.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which of the following is essential when using an AED?

A) Making good skin-to-pad contact
B) Placing the pads wherever is most comfortable for the patient
C) Delaying defibrillation to continue chest compressions
D) Ignoring the operation of implanted defibrillators

A

A) Making good skin-to-pad contact

Page Ref: 438
Objective: 17.8 Describe safety precautions to protect yourself, other EMS providers, the patient, and bystanders in resuscitation situations.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

You arrive on the scene to find a 20-year-old woman with a recent history of drug use. She is breathing at a rate of six breaths per minute and withdraws to pain. The patient was in cardiac arrest but experienced a return to spontaneous circulation. What is your FIRST priority in treating this patient?

A) Find out what she might have taken.
B) Establish an intravenous line.
C) Secure the airway and provide ventilation and oxygenation.
D) Administer 2 mg Narcan.

A

C) Secure the airway and provide ventilation and oxygenation.

Page Ref: 444
Objective: 17.9 Given a series of cardiac arrest scenarios involving infants, children, and adults, demonstrate appropriate assessment and resuscitative techniques, including the integrated use of CPR, AEDs, airway management, and ventilation; 17.11 Given a cardiac arrest scenario, make decisions regarding transport and a request for paramedic backup.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Information from the reassessment of a patient in cardiogenic shock may be used to:

A) determine the overall trend in the patient’s condition.
B) prepare the patient for defibrillation.
C) judge the number of compressions necessary in one cycle.
D) decide the rate of compressions to ventilations.

A

A) determine the overall trend in the patient’s condition.

Page Ref: 425
Objective: 17.10 Explain the purpose and procedure for reassessing patients in shock and cardiac arrest.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

When reassessing a patient in hemorrhagic shock, what must be done concerning interventions?

A) Categorize them.
B) Initiate them.
C) Prioritize their importance.
D) Assess their effects.

A

D) Assess their effects.

Page Ref: 425
Objective: 17.10 Explain the purpose and procedure for reassessing patients in shock and cardiac arrest.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which of the following statements about return of spontaneous circulation (ROSC) is TRUE?

A) Patients with ROSC always regain responsiveness in the prehospital setting.
B) ROSC patients need aggressive ventilation to increase venous return to the heart.
C) Patients with ROSC are at a high risk for a second cardiac arrest in the prehospital setting.
D) Prehospital treatment of ROSC can always address the underlying cause of cardiac arrest.

A

C) Patients with ROSC are at a high risk for a second cardiac arrest in the prehospital setting.

Page Ref: 443-444
Objective: 17.12 Demonstrate assessment and management of a post-cardiac arrest patient with return of spontaneous circulation (ROSC).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Your service has a new AED. During the in-service on the new device, the instructor informs you that it is a semi-automated AED and uses a biphasic wave form, as opposed to the monophasic form used by the previous AED. As a knowledgeable AEMT, you should recognize that:

A) the new AED will defibrillate with lower amounts of electrical energy.
B) less energy but more shocks will be needed to treat cardiac arrest.
C) the new AED will defibrillate with higher amounts of electrical energy.
D) the AEMT will not need to press a “shock” button to shock the patient.

A

A) the new AED will defibrillate with lower amounts of electrical energy.

Page Ref: 438
Objective: 17.6 Describe the features, functions, advantages, limitations, use, and precautions in the use of automatic external defibrillators (AEDs); 17.13 Explain the importance of AED maintenance, EMS provider training and skills maintenance, medical direction, and continuous quality improvement in the Chain of Survival of cardiac arrest.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

As you arrive at a metal scrap yard for an unknown medical emergency, you observe a male patient supine on the ground with AED electrodes on his chest. The AED operator has just ordered coworkers to clear the patient because the AED is going to shock. Within seconds, the AED delivers a shock without the operator pressing a “shock” button. The AEMT should recognize what type of AED?

A) Fully automated
B) Manual
C) Biphasic
D) Semi-automated

A

A) Fully automated

Page Ref: 437
Objective: 17.9 Given a series of cardiac arrest scenarios involving infants, children, and adults, demonstrate appropriate assessment and resuscitative techniques, including the integrated use of CPR, AEDs, airway management, and ventilation; 17.13 Explain the importance of AED maintenance, EMS provider training and skills maintenance, medical direction, and continuous quality improvement in the Chain of Survival of cardiac arrest.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which of the following statements about defibrillator pad placement is FALSE?

A) If the patient is wet, wipe the chest dry before application of the pads.
B) If possible, use a safety razor to shave excessive chest hair before placing the pads.
C) Pads should be placed directly over internally implanted pacemakers or defibrillators.
D) A safety razor should be kept with the AED and defibrillator pads.

A

C) Pads should be placed directly over internally implanted pacemakers or defibrillators.

Page Ref: 438
Objective: 17.14 Discuss special considerations in the use of an AED in patients with cardiac pacemakers and implanted cardioverter-defibrillators.

18
Q

Which of the following statements regarding chest compressions is TRUE?

A) Compress the chest at a rate of at least 120 compressions per minute in an adult.
B) Use a compression pattern of 15 compressions followed by two ventilations for adult patients.
C) Mechanical devices can be a useful tool in the case of prolonged CPR or in situations where manpower is scarce.
D) Compress the adult chest to a depth of one inch and then allow the chest to fully recoil.

A

C) Mechanical devices can be a useful tool in the case of prolonged CPR or in situations where manpower is scarce.

Page Ref: 433-436
Objective: 17.15 Discuss the use of mechanical CPR devices.

19
Q

Which of the following is responsible for the second step of the clotting process?

A) Erythrocytes
B) Platelets
C) Plasma
D) Leukocytes

A

B) Platelets

Page Ref: 425
Objective: 17.16 Demonstrate effective methods for controlling external hemorrhage.

20
Q

You respond to a motor vehicle collision in which a 22-year-old woman has suffered several cuts. You determine that the airway is patent and the patient is breathing adequately. The patient’s blood pressure is maintaining at a stable level, and you estimate that she has lost approximately 10 percent of her circulating blood volume. She is alert and oriented but seems nervous. From these findings, you would determine that your patient is in ________ hemorrhage.

A) Class I
B) Class II
C) Class III
D) Class IV

A

A) Class I

Page Ref: 418
Objective: 17.16 Demonstrate effective methods for controlling external hemorrhage.

21
Q

In which step of the clotting process does the smooth muscle contract, narrowing the lumen and reducing the strength of blood flow through the vessel?

A) Platelet phase
B) Aggregate phase
C) Vascular phase
D) Coagulation phase

A

C) Vascular phase

Page Ref: 425
Objective: 17.16 Demonstrate effective methods for controlling external hemorrhage.

22
Q

The phase of blood clotting in which fibrin is released normally takes 7 to 10 minutes to complete. This is called the:

A) platelet phase.
B) aggregate phase.
C) coagulation phase.
D) vascular phase.

A

C) coagulation phase.

Page Ref: 425
Objective: 17.16 Demonstrate effective methods for controlling external hemorrhage.

23
Q

What is the FIRST method that you should use to control external hemorrhage?

A) Direct pressure
B) Ice
C) Elevation
D) Tourniquet

A

A) Direct pressure

Page Ref: 425
Objective: 17.16 Demonstrate effective methods for controlling external hemorrhage.

24
Q

For a patient in hemorrhagic shock, what happens to the patient’s remaining blood when IV fluids are administered?

A) It is oxygenated.
B) It begins to coagulate.
C) Its concentration of red blood cells increases.
D) It becomes diluted.

A

D) It becomes diluted.

Page Ref: 430
Objective: 17.17 Discuss the indications, contraindications, complications, and administration of intravenous fluids to patients in cardiac arrest and hemorrhagic shock.

25
Q

Upon arrival on scene, you find a seven-year-old boy struck by a car. He has an altered level of consciousness and is exhibiting signs of shock. How much fluid would you administer initially?

A) 10 mL/kg
B) 300 mL
C) 20 mL/kg
D) 15 mL/kg

A

C) 20 mL/kg

Page Ref: 430
Objective: 17.17 Discuss the indications, contraindications, complications, and administration of intravenous fluids to patients in cardiac arrest and hemorrhagic shock.

26
Q

The AEMT understands that when paramedics and AEMTs administer IV fluids as treatment for hemorrhagic shock, the fluids will:

A) do nothing to get more oxygen to the cells.
B) enable the lungs to better oxygenate the blood.
C) stabilize the shock by restoring needed electrolytes.
D) increase vascular resistance and improve oxygenation.

A

A) do nothing to get more oxygen to the cells.

Page Ref: 430
Objective: 17.17 Discuss the indications, contraindications, complications, and administration of intravenous fluids to patients in cardiac arrest and hemorrhagic shock.

27
Q

Which of the following statements regarding pneumatic anti-shock garments (PASG) is FALSE?

A) Pneumatic anti-shock garments (PASG) are trousers with inflatable compartments.
B) Research does not support the use of pneumatic anti-shock garments (PASG).
C) Pneumatic anti-shock garments (PASG) remain in some EMS system protocols.
D) Pneumatic anti-shock garments (PASG) are preferred for the stabilization of pelvic fractures.

A

D) Pneumatic anti-shock garments (PASG) are preferred for the stabilization of pelvic fractures.

Page Ref: 431
Objective: 17.18 Discuss current trends and research in resuscitation and shock management.

28
Q

Recent research has begun looking at the role of prehospital ________ levels in earlier and more appropriate intervention in trauma patients.

A) lactate
B) clopidogrel
C) heparin
D) warfarin

A

A) lactate

Page Ref: 422
Objective: 17.18 Discuss current trends and research in resuscitation and shock management.

29
Q

The baroreceptors that recognize hypotension due to blood loss and signal the medulla oblongata are located in the:

A) carotid arteries.
B) vena cava.
C) brain.
D) heart.

A

A) carotid arteries.

Page Ref: 417
Objective: 17.16 Demonstrate effective methods for controlling external hemorrhage.

30
Q

Your patient is a 17-year-old teenager involved in a one-vehicle rollover. The patient is complaining of chest pain and, upon inspection, he exhibits bruising and tenderness to the area. You suspect internal hemorrhage and treat appropriately. The patient appears nervous and has increasing respirations and pulse rates. The blood pressure is within normal limits, and the level of consciousness is maintaining itself. This tells you that profusion of the brain is taking place. Which stage of shock would you consider this patient to be in?

A) Hypovolemic
B) Decompensated
C) Compensated
D) Irreversible

A

C) Compensated

Page Ref: 419
Objective: 17.10 Explain the purpose and procedure for reassessing patients in shock and cardiac arrest.

31
Q

You have a patient with suspected internal bleeding and cool, clammy, ashen skin. Her blood pressure starts to fall, and her level of consciousness is rapidly dropping. Which stage of shock would you consider this patient to be in?

A) Irreversible
B) Compensated
C) Decompensated
D) Hypovolemic

A

C) Decompensated

Page Ref: 419
Objective: 17.10 Explain the purpose and procedure for reassessing patients in shock and cardiac arrest.

32
Q

If a patient is not clearly exhibiting signs of shock but has suffered significant blood loss, then you should assume that:

A) the patient is still at a high risk for shock.
B) shock will not develop at this point.
C) the patient is in decompensated shock.
D) the washout phase of shock has occurred.

A

A) the patient is still at a high risk for shock.

Page Ref: 420
Objective: 17.10 Explain the purpose and procedure for reassessing patients in shock and cardiac arrest.

33
Q

Reassessment of a patient in shock in the prehospital environment should include a determination of the:

A) patient’s level of responsiveness.
B) point at which cellular death occurs.
C) occurrence of irreversible organ damage.
D) level of care to provide.

A

A) patient’s level of responsiveness.

Page Ref: 415, 425
Objective: 17.10 Explain the purpose and procedure for reassessing patients in shock and cardiac arrest.

34
Q

Which one of the following statements made by a patient’s family member would cause the AEMT to suspect that a patient is suffering from hypovolemic shock?

A) “He has been taking an antibiotic for a chest cold.”
B) “He got up this morning and was having a hard time breathing.”
C) “He cannot stop throwing up.”
D) “He has had a rash for the past three days.”

A

C) “He cannot stop throwing up.”

Page Ref: 415, 417
Objective: 17.10 Explain the purpose and procedure for reassessing patients in shock and cardiac arrest; 17.17 Discuss the indications, contraindications, complications, and administration of intravenous fluids to patients in cardiac arrest and hemorrhagic shock.

35
Q

The AEMT knows that the cause underlying distributive shock is:

A) poor fluid intake.
B) dilation of the blood vessels.
C) a damaged heart with poor contractility.
D) loss of blood volume.

A

B) dilation of the blood vessels.

Page Ref: 420
Objective: 17.10 Explain the purpose and procedure for reassessing patients in shock and cardiac arrest.

36
Q

Which one of the following conditions could be responsible for causing obstructive shock?

A) Loss of blood in the urine
B) Infection throughout the body
C) Blood clots in the lungs
D) Poor transfer of oxygen at the capillary level

A

C) Blood clots in the lungs

Page Ref: 423
Objective: 17.10 Explain the purpose and procedure for reassessing patients in shock and cardiac arrest.

37
Q

You are assessing an elderly patient with a decreased level of consciousness. Your assessment reveals the patient to have a patent airway, labored respirations, and weak, rapid pulses. The skin is pale, cool, and cyanotic in the extremities. You also observe diaphoresis and a delayed capillary refill. Vital signs for this patient are a heart rate of 136 bpm, blood pressure of 66/40 mmHg, and respirations 40 and shallow. Auscultation of the lungs reveals profound crackles located throughout each lung. His temperature is 99°F. There is obvious JVD and pedal edema. Additionally, family states that the patient has an extensive cardiac and diabetic history. Based on this information you should suspect what kind of shock?

A) Hypotensive
B) Distributive
C) Hypovolemic
D) Cardiogenic

A

D) Cardiogenic

Page Ref: 422-423
Objective: 17.9 Given a series of cardiac arrest scenarios involving infants, children, and adults, demonstrate appropriate assessment and resuscitative techniques, including the integrated use of CPR, AEDs, airway management, and ventilation; 17.10 Explain the purpose and procedure for reassessing patients in shock and cardiac arrest; 17.17 Discuss the indications, contraindications, complications, and administration of intravenous fluids to patients in cardiac arrest and hemorrhagic shock.

38
Q

A patient has been involved in a very serious motor vehicle collision and is in shock. Your assessment findings indicate that he sustained blunt trauma to the abdominal and pelvic areas. From what type of shock would this patient be suffering?

A) Cardiogenic
B) Obstructive
C) Hypovolemic
D) Distributive

A

C) Hypovolemic

Page Ref: 415
Objective: 17.17 Discuss the indications, contraindications, complications, and administration of intravenous fluids to patients in cardiac arrest and hemorrhagic shock.

39
Q

A patient who has experienced significant blood loss may experience what type of shock?

A) Hemorrhagic
B) Anaphylactic
C) Cardiogenic
D) Obstructive

A

A) Hemorrhagic

Page Ref: 415
Objective: 17.17 Discuss the indications, contraindications, complications, and administration of intravenous fluids to patients in cardiac arrest and hemorrhagic shock.

40
Q

Whether to administer intravenous fluids for patients in hemorrhagic shock (and for all patients) is primarily guided by:

A) an increase in skin profusion.
B) the extent of internal bleeding.
C) your protocols.
D) a finding of diaphoresis.

A

C) your protocols.

Page Ref: 430
Objective: 17.17 Discuss the indications, contraindications, complications, and administration of intravenous fluids to patients in cardiac arrest and hemorrhagic shock.

41
Q

Tourniquets:

A) are applied as close to the bleeding wound as possible.
B) should be applied distal to the elbow or knee.
C) should be applied to the proximal arterial pulse points.
D) are best covered with bandages or clothes to help stop the bleeding.

A

A) are applied as close to the bleeding wound as possible.

Page Ref: 427-428
Objective: 17.16 Demonstrate effective methods for controlling external hemorrhage.

42
Q

For the purposes of CPR, an infant is defined as a patient who is under:

A) 3 months old.
B) 6 months old.
C) 8 months old.
D) one year of age.

A

D) one year of age.

Page Ref: 441
Objective: 17.9 Given a series of cardiac arrest scenarios involving infants, children, and adults, demonstrate appropriate assessment and resuscitative techniques, including the integrated use of CPR, AEDs, airway management, and ventilation.