7 7 7 7 7 7 7 7 7 7
RRECT {VERIFIED} ANSWERS NEWEST//ALREADY GRADEDA+
7 7 7 7 7
1. Helmets7and7automobile7airbags7work7because7the
y7prevent7blows7to7the7head.
reduce7acceleration7injuries.7
increase7deceleration7speed
.
add7deceleration7distance.7-7ANSWER-reduce7acceleration7injuries.
2. Which7of7the7following7statements7best7describes7knife7wounds?7Their7velocity7is
,7the7temporary7cavity ,7and7damage .
low;7depends7on7the7size7of7the7knife;7is7usually7extensive
low;7is7insignificant;7is7limited7to7structures7directly7in7object's7path
high;7will7be7small;7affects7structures7at7some7distance7from7the7wound7tract
high;7may7be7massive;7results7in7widespread7tissue7destruction7-7ANSWER-
low;7is7insignificant;7is7limited7to7structures7directly7in7object's7path
4. Injury7to7which7body7structure7is7commonly7a7DELAYED7finding7in7the7blast7trauma7patien
t?7Heart
Bladder7
Bowel
Spleen7-7ANSWER-Bowel
5. Shock7occurs7when
the7sodium-potassium7pump7fails.
ATP7levels7are7less7than7lactic7acid7levels.7cell
ular7oxygen7demand7is7greater7than7supply.
aerobic7metabolism7exceeds7anaerobic7metabolism.7-7ANSWER-
cellular7oxygen7demand7is7greater7than7supply.
, 6. 7
shock7is7the7most7common7type7of7shock7immediately7after7traumatic7injury.7Distr
ibutive7Septic7Cardiogenic7Hypovolemic7-7ANSWER-Hypovolemic
7. Which7findings7suggest7a7trauma7patient7is7experiencing7cardiogenic7shock
?7Bradycardia,7cyanosis,7and7elevated7mean7arterial7pressure
High7shock7index,7mottling,7and7hypotension7Tac
hycardia,7flushing,7and7widened7pulse7pressure
Pallor,7course7breath7sounds,7and7hypertension7-7ANSWER-High7shock7index,7mottling,7and7hypotension
8. A7multisystem7trauma7patient7has7become7progressively7tachycardic7and7hypotensive7one7week7aft
er7hospital7admission.7Pulse7pressure7is7wide.7The7most7likely7explanation7for7this7finding7is
dehydration.
fat7embolism7syndrome.7
surgical7site7bleeding.7se
psis.7-7ANSWER-sepsis.
9. Normalizing7a7trauma7patient's7body7temperature7helps7control7bleeding7because7hypotherm
ia7produces7shivering7and7makes7platelets7hyperactive.
causes7platelet7dysfunction7and7clotting7system7failure.7sti
mulates7the7clotting7cascade7and7reduces7blood7pressure.
increases7tissue7oxygen7consumption7and7cold7diuresis.7-7ANSWER-
causes7platelet7dysfunction7and7clotting7system7failure.
10. What7are7the737components7of7the7"trauma7triad7of7death
"?7Coagulopathy,7hypothermia,7and7acidosis
Hypothermia,7alkalosis,7and7coagulopath
y7Alkalosis,7hyperthermia,7and7tissue7injur
y
Tissue7injury,7hyperthermia,7and7acidosis7-7ANSWER-Coagulopathy,7hypothermia,7and7acidosis