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STUVIA 2024/2025Chapter 27 EMT 2021
20 feet - ✔✔At what height does a fall become severe enough for an adult to necessitate trauma
services based solely on the mechanism ofinjury?
A.
25 feet
B.
30 feet
C.
20 feet
D.
10 feet
A faster change in speed results in more force exerted. - ✔✔Which statement is CORRECT about
acceleration anddeceleration?
A.
If anout-of-control truck strikes a stopped car frombehind, the sudden deceleration of the car will
cause the body of thecar's driver to be jerked out from under the head and neck.
B.
%
Acceleration and deceleration are not factors in determining force of impact.
C.
If two cars of the same weight and speedstop, one by gradual braking and the other by suddenly
striking a telephonepole, they exert the same force.
D.
A faster change in speed results in more force exerted.
angular. - ✔✔The three types of impacts associated with motorcycle collisions arehead-on, ejection,
and:
A.
rear.
B.
flip.
C.
frontal.
D.
angular.
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, STUVIA 2024/2025
As thebullet's energy dissipates intoflesh, its kinetic energy is transferred to the tissues. This causes
exit wounds that are much larger than entry wounds. - ✔✔Why is the exit wound of a bullet always
larger than the entrywound?
A.
As thebullet's energy dissipates intoflesh, its kinetic energy is transferred to the tissues. This causes
exit wounds that are much larger than entry wounds.
B.
As the bullet enters theskin, it flattensout, or"mushrooms," increasing its surface area.Thus, when it
exits thebody, it displaces more tissue than it did when it entered. This creates the larger exit
wounds.
C.
As the superheated metal of the bullet proceeds through theskin, it burns away all tissue that it
touches. The heat destruction radiates into a tubular shape along the trajectory of thebullet, causing
thebullet's exit to be larger than its entrance.
D.
When the bullet enters thedermis, it breaks into many small pieces that travel in different directions.
As these bullet pieces pass out of thebody, they destroy a wide path of tissue.
blast projectiles. - ✔✔Injuries that are received during the secondary blast phase are causedby:
A.
%
heat or burn injuries.
B.
blast projectiles.
C.
personnel displacement.
D.
overpressure wave.
cavitation. - ✔✔As ahigh-speed projectile enters thebody, it can create a pressure wave that
extends damage beyond the bullet pathway. This iscalled:
A.
rotational impact.
B.
expanding pathway.
C.
cavitation.
D.
fragmentation.
Colles fracture - ✔✔What damage is MOST common when a person falls on outstretchedarms?
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