Ch. 34 Flashcards
Kinetics is a branch of physics that studies how objects in motion are affected by outside forces and how energy is distributed when objects:
A) rest.
B) fall.
C) move.
D) collide.
D) collide.
Page Ref: 775
Objective: 34.1 Define key terms introduced in this chapter.
The law which states that an object in motion will stay in motion unless acted upon by an outside source is:
A) the law of conservation of energy.
B) the law of energy formulation.
C) Starling’s theorem.
D) Newton’s first law.
D) Newton’s first law.
Page Ref: 775
Objective: 34.1 Define key terms introduced in this chapter.
You are treating victims of a motor vehicle collision that occurred when their vehicle struck a bridge abutment head on at a high rate of speed. Due to Newton’s first law, you know that:
A) it would be difficult to predict any injury due to the speed.
B) the vehicle itself would absorb all of the kinetic energy.
C) the victims’s bodies on impact would have continued forward until acted upon by an outside force.
D) survival would be predicted on safety features of the vehicle.
C) the victims’s bodies on impact would have continued forward until acted upon by an outside force.
Page Ref: 775
Objective: 34.1 Define key terms introduced in this chapter.
A method used to calculate the amount of force involved in a collision would be:
A) acceleration × deceleration.
B) mass × acceleration (or deceleration).
C) speed × velocity.
D) speed × energy.
B) mass × acceleration (or deceleration).
Page Ref: 775
Objective: 34.1 Define key terms introduced in this chapter.
The injury that results from the transmission of energy directly or indirectly from an object to the body BEST describes:
A) blunt trauma.
B) penetrating trauma.
C) trauma.
D) Newton’s first law.
A) blunt trauma.
Page Ref: 776
Objective: 34.1 Define key terms introduced in this chapter.
In ________, the energy dissipation may create a permanent or temporary cavity transmitting to surrounding tissues.
A) deceleration forces
B) blunt trauma
C) contusions
D) penetrating trauma
D) penetrating trauma
Page Ref: 776
Objective: 34.1 Define key terms introduced in this chapter.
If a man falls ten feet and lands on his feet, any injuries he sustains to his legs, hips, and spine would be termed:
A) direct injuries.
B) indirect injuries.
C) rotational trauma.
D) penetrating trauma.
B) indirect injuries.
Page Ref: 776
Objective: 34.1 Define key terms introduced in this chapter.
When determining the mechanism of injury, you will identify:
A) the forces involved in the accident.
B) the number of patients.
C) the need for additional resources.
D) the person who caused the accident.
A) the forces involved in the accident.
Page Ref: 778
Objective: 34.1 Define key terms introduced in this chapter; 34.2 Describe the purpose and goals of trauma patient assessment.
As a member of the emergency medical services team, an AEMT’s role includes all of the following EXCEPT to:
A) analyze the mechanism of injury.
B) perform a scene size-up.
C) consider the need for additional resources.
D) clear any identified hazards from the scene.
D) clear any identified hazards from the scene.
Page Ref: 778
Objective: 34.2 Describe the purpose and goals of trauma patient assessment.
The mechanism of injury that suggests transport to a trauma center is:
A) ejection from a vehicle.
B) a vehicle collision at a speed greater than 20 mph.
C) an extrication time of less than 20 minutes.
D) a fall from a distance twice the patient’s height.
A) ejection from a vehicle.
Page Ref: 786
Objective: 34.2 Describe the purpose and goals of trauma patient assessment; 34.5 Explain the importance of various decision making and problem-solving approaches in the trauma patient assessment and patient care processes.
In the case of trauma patients, the ideal goal for completing on-scene procedures and initiating transport is:
A) under 10 minutes.
B) set by medical direction.
C) one hour.
D) between 20 to 30 minutes.
A) under 10 minutes.
Page Ref: 789
Objective: 34.2 Describe the purpose and goals of trauma patient assessment.
A 49-year-old man has been stabbed in the lower right chest. Police on scene report that the patient got into an argument with an unidentified man, who then stabbed him before fleeing the scene. After assessing the patient, you are suspicious that the knife punctured the lung and is causing internal bleeding. In this situation, the mechanism of injury would be:
A) blunt trauma to the lungs.
B) assailant with a knife.
C) internal hemorrhage.
D) stab wound to the right chest.
D) stab wound to the right chest.
Page Ref: 778
Objective: 34.1 Define key terms introduced in this chapter.
A patient has been critically hurt in a nighttime motor vehicle collision. She was wearing a seatbelt and hit a tree at 70 mph. The car she was driving weighed two tons and was equipped with airbags that did deploy. Which of the following had the greatest impact on her being injured?
A) Speed of the vehicle at impact
B) Nighttime conditions
C) The length of the stopping distance
D) The size of the tree
A) Speed of the vehicle at impact
Page Ref: 775-776
Objective: 34.2 Describe the purpose and goals of trauma patient assessment; 34.3 Describe the components of the trauma patient assessment process.
In calculating kinetic energy, which causes the GREATEST increase in energy?
A) An increase in the mass of an object
B) An increase in the velocity of the object
C) An increase in the number of objects
D) A decrease in the friction applied to an object
B) An increase in the velocity of the object
Page Ref: 775-776
Objective: 34.2 Describe the purpose and goals of trauma patient assessment.
An unrestrained driver of a car that has struck a tree at 45 mph has suffered a contusion (bruise) to his heart. The AEMT would recognize that this injury occurred during which impact of the collision?
A) The vehicle’s collision with an object
B) The organs’ collision with the inside wall of the body or other organs
C) The body’s collision with parts of the vehicle
D) The body’s collision with an opposing force
B) The organs’ collision with the inside wall of the body or other organs
Page Ref: 778
Objective: 34.2 Describe the purpose and goals of trauma patient assessment.
EMRs have removed an intoxicated and confused patient from a car that struck another car at a high rate of speed. The patient was unrestrained and his car did not have airbags. Assessment reveals deformity bilaterally to the hips and femurs and bruising to the knees. Based on this injury pattern, the AEMT would recognize what type of injury mechanism?
A) High velocity
B) Down and under
C) Up and over
D) Lateral impact
B) Down and under
Page Ref: 780
Objective: 34.2 Describe the purpose and goals of trauma patient assessment; 34.3 Describe the components of the trauma patient assessment process.
Assessment of a patient involved in a motor vehicle collision reveals him to have crepitus to the left humerus, instability to the left lateral chest wall and flank, and pain on palpation of the left hip region. He also complains of pain to the right side of the neck. Based on this injury pattern, the AEMT would recognize the patient was:
A) the passenger in a car hit from behind.
B) the driver of a car hit on the driver’s side.
C) an unrestrained occupant in a car involved in a rotational impact.
D) an unrestrained driver involved in a head-on collision.
B) the driver of a car hit on the driver’s side.
Page Ref: 779-783
Objective: 34.2 Describe the purpose and goals of trauma patient assessment.
An unrestrained woman driving a small car is involved in a rollover-type collision. Why is her risk for serious injury and death significantly increased?
A) Rollovers are the result of high speeds.
B) Smaller and lighter cars tend to roll over.
C) There are more impacts in a rollover.
D) The risk for ejection is lessened, increasing injuries suffered in the car.
C) There are more impacts in a rollover.
Page Ref: 783
Objective: 34.2 Describe the purpose and goals of trauma patient assessment.
You are assessing a patient involved in a motorcycle accident. He states that he saw an oncoming car and “laid the bike down” to avoid an outright collision. He was wearing a helmet. Which of the following injuries would make sense given the action of the motorcyclist?
A) “Road rash” to the entire body
B) Bilateral broken forearms
C) Angulation to both femurs
D) Injury to a leg caught beneath the cycle
D) Injury to a leg caught beneath the cycle
Page Ref: 784
Objective: 34.2 Describe the purpose and goals of trauma patient assessment.
Trauma assessment and management begins with:
A) assessing the airway.
B) evaluating resources at scene.
C) calculating kinetic energy.
D) the scene size-up.
D) the scene size-up.
Page Ref: 778
Objective: 34.3 Describe the components of the trauma patient assessment process; 34.4 Discuss the decisions that must be made during the trauma patient assessment process.
En route to the scene of a shooting victim, dispatch informs you that the suspect has not been located yet. Based on this information, you should:
A) be aware as you arrive on the scene that the patient may have committed suicide.
B) wait until police arrive and secure the scene prior to approach.
C) document this information.
D) recognize the need to rapidly transport the victim.
B) wait until police arrive and secure the scene prior to approach.
Page Ref: 778
Objective: 34.3 Describe the components of the trauma patient assessment process; 34.4 Discuss the decisions that must be made during the trauma patient assessment process.
The AEMT should gain a general impression of the trauma victim based on:
A) level of responsiveness and ABC evaluation.
B) bystander reaction.
C) MOI and hazard identification.
D) dispatch information.
A) level of responsiveness and ABC evaluation.
Page Ref: 786
Objective: 34.3 Describe the components of the trauma patient assessment process.
Life-threatening problems encountered during the primary assessment should be:
A) ignored while completing the assessment and then addressed.
B) ruled out during scene size-up.
C) treated immediately.
D) addressed immediately following package for transport.
C) treated immediately.
Page Ref: 786
Objective: 34.3 Describe the components of the trauma patient assessment process; 34.4 Discuss the decisions that must be made during the trauma patient assessment process; 34.5 Explain the importance of various decision-making and problem-solving approaches in the trauma patient assessment and patient care processes.
A mnemonic to help the AEMT evaluate aspects of the secondary assessment is:
A) SAMPLE.
B) DCAP-BTLS.
C) OPQRST.
D) AVPU.
B) DCAP-BTLS.
Page Ref: 788
Objective: 34.3 Describe the components of the trauma patient assessment process; 34.5 Explain the importance of various decision-making and problem-solving approaches in the trauma patient assessment and patient care processes.
