2026 West Coast EMT Block Exam #1 Practice – Correct Answers & Rationales

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West Coast EMT Block 4 Exam Study Guide ALL QUESTIONS AND 100%
CORRECT ANSWERS ALREADY GRADED A+ - LATEST UPDATE 2026-2027




What is cavitation? - CORRECT ANSWER A phenomenon in which
speed causes a bullet to generate pressure waves, which cause damage distant
from the bullet's path.


QUESTION : What is Newton's first law? - CORRECT ANSWER An
object at rest stays at rest and an object in motion stays in motion with the
same speed and in the same direction unless acted upon by an unbalanced
force.


QUESTION : What is potential energy? - CORRECT ANSWER The
product of mass (weight), force of gravity (acceleration), and height.


- Energy that is stored.
PE = mgh


QUESTION : What is kinetic energy? - CORRECT ANSWER The energy
of motion or movement
KE = ½ mass x velocity^2 or KE = ½ mv^2




UPDATED exam 2026

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QUESTION : What is a vehicle collision? - CORRECT ANSWER i.
Damage to the car does not directly affect patient care but does provide
information about the severity of the collision.


ii. By assessing the vehicle that has crashed, you can often determine the MOI.


QUESTION : What is a human collision? - CORRECT ANSWER - Kinetic
energy produced by the passenger's mass and velocity is converted into the
work of stopping his or her body.


- Common passenger injuries include lower extremity fractures, rib fractures,
and head trauma.


QUESTION : What is an internal collision? - CORRECT ANSWER i.
Internal injuries may not be as obvious as external injuries, but they are often
the most life threatening.


QUESTION : What do we assume with the death of an occupant in the same
vehicle as another person? - CORRECT ANSWER Assume major injury
because the force was strong enough to kill the other passenger.


QUESTION : What is the purpose of airbags? - CORRECT ANSWER To
reduce blunt chest trauma.


QUESTION : What happens if the airbags do not deploy and what should you
do? - CORRECT ANSWER Decrease the severity of deceleration injuries
and decrease injury to the chest, face and head. If it does not deploy, disconnect
the vehicle battery.

UPDATED exam 2026

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QUESTION : What is the purpose of a head rest and what does it prevent? -
CORRECT ANSWER To reduce the rearward motion of the head in a
rear end crash and decrease the chances of occupants sustaining whiplash neck
injuries.


QUESTION : What are arteries? - CORRECT ANSWER Blood vessels
that carry blood away from the heart


QUESTION : What are arterioles? - CORRECT ANSWER The smallest
branches of arteries leading to the vast network of capillaries.


QUESTION : What are capillaries? - CORRECT ANSWER Links between
the arterial and venial sides of vessels, also where gas exchange occurs.


QUESTION : What are venules? - CORRECT ANSWER small veins that
receive blood from the capillaries.


QUESTION : What are veins? - CORRECT ANSWER Blood vessels that
carry blood back to the heart.


QUESTION : What affects the ability of the blood to clot? - CORRECT
ANSWER the type of vessel that is broken (arterial vessels clot slower than
venous and capillary vessels)


patients with hemophilia: lacks one or more of the blood's clotting factors and
bleeding may occur spontaneously


UPDATED exam 2026