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TNCC exam questions with complete solutions
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TNCC exam questions with completesolutions
In a fall, the point of impact determines what? - correct answer-The major point in energy transfer and
underlying injuries or tissues impacted (e.g. head, arm, shoulder, etc.)
During a fall, what are the considerations in determining the severity of the fall? - correct answer-The
point of impact, the type of surface that is hit, the tissues ability to resist energy transfer, and the
trajectory of the force (I.e. the height of the fall).
Why is the surface a person hit during a fall important to understand? - correct answer-Whether the
surface is hard or soft (e.g. concrete vs wet ground) determines the amount of energy the ground can
absorb during the fall, thus potentially preventing injuries
In an MVC, what happens during the first impact? - correct answer-when the vehicle collides with
another object (e.g. tree). The occupants will feel a relative acceleration as the vehicle comes to an
abrupt stop.
In an MVC, what happens during the second impact? - correct answer-The occupants will continue to
move in the original trajectory until met with an opposing force (e.g. the dash or steering wheel or seat
belt).
What is a factor to consider with air bags? - correct answer-When they deploy they accelerate towards
the occupants at a rate produced by the blast of the deployed device
In a MVC, what happens during the third impact? - correct answer-Occurs when the internal organs
collide within in the body cavity. The organs will meet resistance by the structures encapsulating them or
be torn loose until met with another structure.
How can we predict the survivability of the collision? - correct answer-Determining the velocity and
stopping distance of the vehicle
,How can we predict the extent of the injuries in a MVC? - correct answer-The Rate, stopping distance,
and deployment of safety mechanisms such as seat belts and airbags, and impact absorbency of the
vehicle.
What types of injuries are common in Up and Over pathway MVCs? - correct answer-Injuries to the
head, neck, chest, and abdomen
What types of injuries are common in Down and Under pathway MVCs? - correct answer-Lower
extremity and pelvis fractures
What types of Injuries are common in Lateral (T-bone) impact MVCs? - correct answer-Depends on
where the occupant is in relation to where the vehicle was hit. The occupant closest to the point of
impact has the most potential for the worst of the injuries.
Injuries associated include shearing injuries to the aorta and other organs, clavicle, lateral pelvic and
abdominal injuries, and lateral head and neck injuries.
What types of injuries are common in Rotational impact MVCs? - correct answer-A combination of
frontal and lateral impacts
What types of injuries are common in Rear Impact MVCs? - correct answer-Similar to frontal impacts,
including extension and flexion of the neck
What types of injuries are common in Rollover MVCs? - correct answer-Any/all of the injury patterns of
the MVCs
What is the "Yaw" of a bullet? - correct answer-The "wobble" that happens when a bullet is oscillating
linearly around its axis of trajectory
How is a cavity created? - correct answer-Increased velocity of a projectile causes more damage than
increased mass; therefore, when a projectile passes through tissue it transfers its high pressure KE,
creating the cavity
, What kind of damage can cavitation cause? - correct answer-Shearing, tearing, and crushing force
injuries
A
(ABCDEFGHIJ) - correct answer-Airway, Alertness, Across the Room
B
(ABCDEFGHIJ) - correct answer-Breathing and Ventilation
C
(ABCDEFGHIJ) - correct answer-Circulation and Control of Hemorrhage
D
(ABCDEFGHIJ) - correct answer-Disability (Neuro status)
E
(ABCDEFGHIJ) - correct answer-Exposure and Environmental control
F
(ABCDEFGHIJ) - correct answer-Full Set of Vitals and Family Presence
G
(ABCDEFGHIJ) - correct answer-Get monitoring devices and Give Comfort (LMNOP)
H
(ABCDEFGHIJ) - correct answer-History and Head-to-Toe Assessment
I
(ABCDEFGHIJ) - correct answer-Inspect Posterior Surfaces
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