TCAR POST-TEST ACTUAL EXAM 2026
COMPLETE QUESTIONS AND DETAILED
SOLUTIONS
◉ what type of trauma is the most common? Answer: BLUNT
-eg MVCs, falls
◉ what is the first level of E transfer? Answer: injuries from the crash
itself
◉ what is the second level of E transfer? Answer: injury from
something like a seat belt that occurs as the body continues to move at
the previous speed
◉ what is the third level of E transfer? Answer: injury to the ORGANS
as organs travel at their previous speed and hit internal body wall
◉ what is the fourth level of E transfer? Answer: injury from an
unrestrained object ie something flying through a car like a missile lol
◉ what type of MVC are most common? Answer: FRONTAL
,-BUT cars are designed for this type of crash and will collapse on impact
which helps absorb E transfer and reduce injuries to person
-will see anterior body surface injuries
◉ what type of MVCs have the highest case fatality rate? Answer:
LATERAL
-because ONLY the car door protecting you from injuries
-will see massive UNILATERAL trauma
◉ what types of injuries would you see in a rear-end collision? Answer:
whiplash, which is cervical strain from hyperextension -> hyperflexion
◉ what types of injuries would you see w/ auto vs. pedestrian? Answer:
injuries where the bumper of the car would hit like hip + leg injuries
-head injury from body being thrown on windshield before hitting the
ground
-BUT exact area depends on height of pt AND height of car
◉ what characteristics do you want to know about a fall? Answer: fall
height, landing surface (tells you about deceleration), and point of
impact
◉ facts about firearm injuries Answer: -because F =ma, mass of bullets
don't vary that much, BUT acceleration DOES
, -when a bullet hits a body, it rotates around in a body cavity creating a
trauma tunnel
-AND the E of the bullet creates a rippling effect of E that can damage
tissue far from point of impact called a temporary cavity
◉ solid tissue will _______ Answer: CRACK
-eg bone, solid organs like spleen/liver/brain/kidneys/pancreas
◉ hollow tissue will ______ Answer: POP
-eg lungs, middle ear, bladder, globe of the eye, heart, pregnant uterus,
abdominal cavity
-particularly when these cavities are FULL like with a full bladder and
during a deep breath
-will see a bowel rupture more commonly than a stomach rupture
because stomach is v muscular
◉ fixed points will _____ Answer: TEAR
-eg vessels, ligaments, tubes, nerves, skin
-vessels are more likely to tear at bifurcations
-DAI is actually when the axons and dendrites tear
-skin tearing => degloving injury
◉ what are Morel-Lavallee injuries? Answer: INTERNAL degloving of
the skin where the epidermis shears from the fascia
COMPLETE QUESTIONS AND DETAILED
SOLUTIONS
◉ what type of trauma is the most common? Answer: BLUNT
-eg MVCs, falls
◉ what is the first level of E transfer? Answer: injuries from the crash
itself
◉ what is the second level of E transfer? Answer: injury from
something like a seat belt that occurs as the body continues to move at
the previous speed
◉ what is the third level of E transfer? Answer: injury to the ORGANS
as organs travel at their previous speed and hit internal body wall
◉ what is the fourth level of E transfer? Answer: injury from an
unrestrained object ie something flying through a car like a missile lol
◉ what type of MVC are most common? Answer: FRONTAL
,-BUT cars are designed for this type of crash and will collapse on impact
which helps absorb E transfer and reduce injuries to person
-will see anterior body surface injuries
◉ what type of MVCs have the highest case fatality rate? Answer:
LATERAL
-because ONLY the car door protecting you from injuries
-will see massive UNILATERAL trauma
◉ what types of injuries would you see in a rear-end collision? Answer:
whiplash, which is cervical strain from hyperextension -> hyperflexion
◉ what types of injuries would you see w/ auto vs. pedestrian? Answer:
injuries where the bumper of the car would hit like hip + leg injuries
-head injury from body being thrown on windshield before hitting the
ground
-BUT exact area depends on height of pt AND height of car
◉ what characteristics do you want to know about a fall? Answer: fall
height, landing surface (tells you about deceleration), and point of
impact
◉ facts about firearm injuries Answer: -because F =ma, mass of bullets
don't vary that much, BUT acceleration DOES
, -when a bullet hits a body, it rotates around in a body cavity creating a
trauma tunnel
-AND the E of the bullet creates a rippling effect of E that can damage
tissue far from point of impact called a temporary cavity
◉ solid tissue will _______ Answer: CRACK
-eg bone, solid organs like spleen/liver/brain/kidneys/pancreas
◉ hollow tissue will ______ Answer: POP
-eg lungs, middle ear, bladder, globe of the eye, heart, pregnant uterus,
abdominal cavity
-particularly when these cavities are FULL like with a full bladder and
during a deep breath
-will see a bowel rupture more commonly than a stomach rupture
because stomach is v muscular
◉ fixed points will _____ Answer: TEAR
-eg vessels, ligaments, tubes, nerves, skin
-vessels are more likely to tear at bifurcations
-DAI is actually when the axons and dendrites tear
-skin tearing => degloving injury
◉ what are Morel-Lavallee injuries? Answer: INTERNAL degloving of
the skin where the epidermis shears from the fascia
