PHTLS Prep Exam with complete
solution(2023-2024)
what are newton's 1st & second laws? - answer1: 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? - answerADULT
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? - answerneurologic 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
, PHTLS Prep Exam with complete
solution(2023-2024)
- long bones
what are the (3) types of blast injuries? - answerPrimary 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? - answer1. 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? - answeradult 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? - answerchild 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.
what is the munro-kellie doctrine? - answer1. 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
solution(2023-2024)
what are newton's 1st & second laws? - answer1: 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? - answerADULT
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? - answerneurologic 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
, PHTLS Prep Exam with complete
solution(2023-2024)
- long bones
what are the (3) types of blast injuries? - answerPrimary 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? - answer1. 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? - answeradult 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? - answerchild 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.
what is the munro-kellie doctrine? - answer1. 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
