PHTLS & exam prep Questions and Correct Answers 2025/2026

PHTLS & exam prep Questions and Correct Answers 2025/2026 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 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 head9% =entire arm 9% = chest 9% = abdomen 18% = entire back 14% = entire leg 1% = perineum 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. what are the (5) major areas of blood loss? - Answer -- external - chest - abdomen - pelvis - long bones 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 forceswhat 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 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/t