Chapter 2

Question 1

People in which of the following age groups are prone to significant trauma due to falls?
Question 1 options:

A)

Pediatric population

B)

College-aged adults

C)

Teenagers

D)

Geriatric population

Answer 1

geriatric population

Question 2

Which of the following contributes to a greater degree of injury than anticipated from vehicle damage alone in a lateral-impact motor vehicle collision?
Question 2 options:

A)

Taking the up-and-over pathway

B)

Lack of a crumple zone

C)

Increased gravitational forces due to multiple changes in direction and velocity

D)

The force of side-impact air bag deployment

Answer 2

lack of crumple zone

Question 3

Which of the following is the most important priority when caring for a patient with a shallow-water diving injury?
Question 3 options:

A)

Removing the patient from the water as soon as possible

B)

Initiating rescue breathing once out of the water

C)

Maintaining cervical spine stabilization while opening the airway

D)

Assessing the cervical spine for deformity

Answer 3

maintaining cervical spine stabilization while opening the airway

Question 4

Which of the following affects the severity of injury sustained in a motor vehicle collision?
Question 4 options:

A)

Gross vehicle weight

B)

Rate of acceleration or deceleration

C)

Vehicle speed

D)

All of these

Answer 4

all of these

Question 5

Which two of the following factors proportionately affect the kinetic energy of a bullet fired from a gun?
Question 5 options:

A)

Velocity and mass

B)

Mass and friction

C)

Friction and distance

D)

Friction and velocity

Answer 5

velocity and mass

Question 6

Which of the following statements about lateral impact collisions is TRUE?
Question 6 options:

A)

Fatalities are rare because the upper extremities absorb the energy.

B)

The substantial lateral crumple zone prevents most injuries.

C)

The degree of injury may be greater than the damage alone would indicate.

D)

Damage to the vehicle is a reliable indication of the seriousness of injuries.

Answer 6

the degree of injury may be greater than the damage alone would indicate

Question 7

Which of the following scenarios would likely lead to the development of compartment syndrome?
Question 7 options:

A)

A tennis shoe that doesn’t fit correctly

B)

An excessive release of intracellular potassium

C)

A crush injury to the lower leg

D)

A loose-fitting cast that covers the thigh and leg

Answer 7

A crush injury to the lower leg

Question 8

Which of the following injuries is associated with the tertiary phase of a blast?
Question 8 options:

A)

Burns

B)

Crush injuries

C)

Projectile injuries

D)

Barotrauma

Answer 8

crush injuries

Question 9

The branch of physics dealing with objects in motion and energy exchanges that occur as these objects collide is called what?
Question 9 options:

A)

Force

B)

Kinematics

C)

Inertia

D)

Kinetics

Answer 9

Kinetics

Question 10

Which of the following mechanisms may result in a conventional explosion?
Question 10 options:

A)

Fumes

B)

Dust

C)

Natural gas

D)

All of these

Answer 10

all of these

Question 11

Your patient is an 8-year-old boy with a pencil impaled 2 centimeters inferior to the xiphoid process. You note that the pencil is pulsating. Which of the following is the best action?
Question 11 options:

A)

Stabilize the pencil in place and transport to a trauma center.

B)

Start an IV and request orders for analgesia and sedation.

C)

Remove the pencil and apply direct pressure to the wound; transport to a trauma center if the bleeding does not stop with direct pressure.

D)

Stabilize the pencil in place and transport to the nearest medical facility.

Answer 11

stabilize the pencil in place and transport to a trauma center

Question 12

The pathway of injury left in the wake of a penetrating mechanism of injury is called:
Question 12 options:

A)

profile.

B)

cavitation.

C)

trajectory.

D)

cone of injury.

Answer 12

cavitation

Question 13

Which of the following is TRUE of the pressure wave that accompanies high-velocity penetrating trauma?
Question 13 options:

A)

Pressure waves cause no injury to surrounding tissues; they only momentarily disrupt function.

B)

Hollow organs are less tolerant of the stress than solid organs are.

C)

Elastic tissues are less tolerant of the stress than non-elastic tissues.

D)

The pressure wave may be transmitted through blood, resulting in damage to blood vessels some distance from the primary wound.

Answer 13

the pressure wave may be transmitted through the blood resulting in damage to the blood vessels some distance from the primary wound

Question 14

Which of the following is TRUE of shotgun ammunition?
Question 14 options:

A)

The closer the shooter is to the victim, the larger the area of visible damage.

B)

The shot is dispersed from the cartridge with high velocity.

C)

“Double ought” or #00 shot contains a large number of relatively small pellets.

D)

A shotgun may either fire one slug or use ammunition with multiple pellets.

Answer 14

the shotgun may either fire one slug of use ammunition with multiple pellets

Question 15

The study of the characteristics of projectiles in motion and their effects on the objects they impact is called:
Question 15 options:

A)

forensics.

B)

cavitation.

C)

ballistics.

D)

trajectory.

Answer 15

ballistics

Question 16

As a bullet tumbles, the potential to inflict damage:
Question 16 options:

A)

decreases.

B)

is determined by the trajectory.

C)

increases.

D)

remains the same.

Answer 16

increases

Question 17

Which statement about ballistics is TRUE?
Question 17 options:

A)

When a bullet tumbles, it decreases the damage.

B)

Damage is less when the bullet does not exit the body.

C)

In penetrating trauma, the mass of a projectile is more significant than its velocity when determining kinetic energy.

D)

When a bullet yaws, it increases the damage.

Answer 17

when a bullet yaws it increases the damage

Question 18

Which of the following is TRUE of the temporary cavity formed by penetrating trauma?
Question 18 options:

A)

It fills with disrupted tissues, some air, fluid, and debris.

B)

It is the damage that occurs when the projectile fragments.

C)

It heals more slowly than the permanent cavity because of the nature of the tissue damage.

D)

It is a space indirectly created by a projectile as tissue moves rapidly away from its path.

Answer 18

it is a space indirectly created by a projectile as tissue moves rapidly away from its path

Question 19

Which of the following statements about entrance and exit wounds is TRUE?
Question 19 options:

A)

Entrance wounds most often appear as stellate.

B)

Cavitational wave energy is greatest at a bullet’s point of entrance.

C)

Only a thorough forensic examination by a qualified expert can determine with certainty whether a given wound is an entrance wound or an exit wound.

D)

Exit wounds are usually the size of the bullet’s profile.

Answer 19

only a thorough forensic examination by a qualified expert can determine with certainty whether a given wound is an entrance wound or exit wound

Question 20

Which two factors related to kinetic energy proportionately affect the damage a projectile will do?
Question 20 options:

A)

Mass and fragmentation

B)

Fragmentation and velocity

C)

Velocity and mass

D)

Velocity and yaw

Answer 20

velocity and mass