Speed causes a bullet to generate pressure waves, which cause damage distant from the bullet’s path.
Cavitation
A significant MOI that causes injuries to more than one body system.
Multisystem trauma
The energy of a moving object.
Kinetic energy
How trauma occurs.
Mechanism of injury (MOI)
The product of mass, gravity, and height.
Potential energy
The result of force to the body that causes injury but does not penetrate soft tissue or internal organs and cavities.
Blunt trauma
An injury caused by objects that pierce the surface of the body.
Penetrating trauma
The force acting over a distance.
Work
Your awareness of and concern for potentially serious obvious and underlying injuries is referred to as the:
A. mechanism of injury
B. index of suspicion
C. scene size-up
D. general impression
B. index of suspicion
The energy of a moving object is called:
A. potential energy
B. thermal energy
C. kinetic energy
D. work
C. kinetic energy
Energy can be:
A. created
B. destroyed
C. converted
D. lost
C. converted
The amount of kinetic energy that is converted to do work on the body dictates the _______ of the injury.
A. location
B. severity
C. cause
D. speed
B. severity
All of the following are considered types of motorcycle impacts EXCEPT:
A. head-on collision
B. angular collision
C. controlled collision
D. rear collision
C. controlled collision
Which of the following is considered a type of impact from a motor vehicle collision?
A. ejection
B. rollover
C. crush
D. penetration
A. ejection
The three collisions in a frontal impact include all of the following EXCEPT:
A. car striking object
B. passenger striking vehicle
C. airbag striking passenger
D. internal organs striking solid structures of the body
C. airbag striking passenger
Which of the following is NOT considered appropriate use of air medical services?
A. The distance to a trauma center is greater than 25 miles.
B. Traffic/road conditions make it unlikely to get the patient to the hospital in a timely manner.
C. There is a mass-casualty incident.
D. The closest trauma center is 10 minutes away by ground transport.
D. The closest trauma center is 10 minutes away by ground transport.
Medium-velocity penetrating injuries may be caused by a:
A. knife
B. military assault rifle
C. handgun
D. slingshot
C. handgun
In a motor vehicle collision, as the passenger’s head hits the windshield, the brain continues to move forward until it strikes the inside of the skull, resulting in a _______ injury.
A. compression
B. laceration
C. lateral
D. motion
A. compression
Your quick primary assessment of the patient and evaluation of the _______ can help to direct life-saving care and provide critical information to the hospital staff.
A. environment
B. index of suspicion
C. mechanism of injury
D. abdominal area
C. mechanism of injury
A contusion to a patient’s forehead along with a spider-webbed windshield suggests possible injury to the:
A. nose
B. brain
C. face
D. heart
B. brain
Which of the following is the most common cause of death from a blast injury?
A. Amputation
B. Burns
C. Chest trauma
D. Head trauma
D. Head trauma
Significant clues to the possibility of severe injuries in motor vehicle collisions include:
A. death of an occupant
B. a blown-out tire
C. broken glass
D. a deployed airbag
A. death of an occupant
Damage to the body that resulted from a pressure wave generated by an explosion is found in what type of blast injury?
A. Primary
B. Secondary
C. Tertiary
D. Miscellaneous
A. Primary
Airbags decrease injury to all of the following EXCEPT:
A. chest
B. heart
C. face
D. head
B. heart