PHTLS & exam prep Questions and answers 2023 With Complete Solution Graded and Already Passed.

what are newton's 1st & second laws? - CORRECT 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 what are the rule of 9's? - CORRECT 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 what are the signs/symptoms of spinal injury? - CORRECT 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. what are the (5) major areas of blood loss? - CORRECT ANSWER - external - chest - abdomen - pelvis - long bones what are the (3) types of blast injuries? - CORRECT 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 what 3 collisions are involved with an MVA? - CORRECT 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 what is o'donohue's triad? - CORRECT 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 what is waddell's triad? - CORRECT ANSWER child vs car - children tend to face the oncoming vehicle 1 - bumper vs fermur/pelvis 2 | P a g e PHTLS & exam prep