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PHTLS & exam prep 2023 /Verified Questions With Complete Solutions
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PHTLS & exam prep 2023 /Verified Questions WithComplete Solutions
Quiz :what are newton's 1st & second laws? - √Answer :1: a body at rest will
remain at rest, and a body in motion will remain in motion until acted upon by
an outside force
2: force = mass x accelleration
Quiz :what are the rule of 9's? - √Answer :ADULT
9% = entire head
9% = entire arm
9% =chest
9% =abdomen
18% = entire back
18% = entire leg
1% perineum
CHILD
18% = entire head
9% =entire arm
9% = chest
9% = abdomen
18% = entire back
14% = entire leg
1% = perineum
Quiz :what are the signs/symptoms of spinal injury? - √Answer :neurologic
function above the injury is intact and function below the injury is absent or
markedly diminished. Specific manifestations will depend on the exact level of
injury.
Quiz :what are the (5) major areas of blood loss? - √Answer :- external
- chest
- abdomen
- pelvis
- long bones
Quiz :what are the (3) types of blast injuries? - √Answer :Primary injuries are
caused by the effect of transmitted blast waves on gas-containing structures;
, secondary injuries, by the impact of airborne debris;
tertiary injury, by the transposition of the entire body because of blast wind or
structural collapse; and
quaternary injuries, by all other forces
Quiz :what 3 collisions are involved with an MVA? - √Answer :1. vehicle collides
with an object
2. unrestrained occupant collides with inside of car
3. internal organs collide with one another or with the wall of the cavity that
contains them
Quiz :what is o'donohue's triad? - √Answer :adult pedestrian vs car accident
- adults tend to protect themselves by turning away
1 - bumper vs lower legs; tib/fib#, knee tear
2 - falls towards bonnet; intra-abdominal/thoracic injury,
#femur/pelvis/thorax/spine.
3 - strikes ground; deceleration/compression forces, head injuries
Quiz :what is waddell's triad? - √Answer :child vs car
- children tend to face the oncoming vehicle
1 - bumper vs fermur/pelvis
2 - bonet vs thorax; head/neck flexes forward; head/face/neck may collide
with bonnet.
3 - strikes ground/dragged under car.
Quiz :what is the munro-kellie doctrine? - √Answer :1. The total intracranial
volume if fixed because of the inelastic nature of the skull
2. Inside the skull is the brain, blood & CSF
3. If ICP is increased (via haematoma, swelling or tumour) the skull cannot
expand to accommodate this
4. As a result some other structure must be forced out
5. First the CSF & Blood are forced out
6. The only way out is through the foramen magnum
7. Once the ability to force out CSF & blood has been exhausted, the ICP rises
rapidly & the next structure to be forced out of the vault is the brain
8. One of the first parts of the brain to be forced out is the medulla oblongata
causing an alteration in respirations
Quiz :what is major trauma? - √Answer :any trauma that requires p1 transport
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