trauma final

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Author:
Ericallarose
ID:
127272
Filename:
trauma final
Updated:
2012-01-12 13:50:29
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division test review
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division 4 test review
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  1. What is Kinetics?
    energy expended when objects collide.
  2. Inertia?
    A body in motion will remian in motion unless acted on by an outside force. A body at rest will remain at rest unless acted upon by an outside force.
  3. What is the most common injury in a blast?
    Lung
  4. What is cavitation?
    Formation of a partial vacuum and cavity with a semi-fluid medium. Forms the temporary cavity.
  5. What is the " fick Principle"
    Tisse perfusion. Lungs-blood - heart- vasculature.
  6. co=?
    • hr x sv
    • Avg 4900 cc
    • 70 x 70cc
  7. What does co depend on?
    • rate of contraction
    • strength of contraction
    • amoouth of venous return avil to the ventricle ( preload)
    • the stretch of the ventricle ( frank starling)
  8. What is the most common cause of shock in Trauma?
    Hemorrhage
  9. How do baroreceptors work?
    • Help maintain bp by 2 neg feedbacks.
    • Lowering bp in response to increased arteriol pressure
    • Increasing bp in response to decresed aterial pressure
  10. A venous bleed presents how?
    Slow and steady and dark red- arterial is bright red and spirting.
  11. When does bp begin to drop during shock?
    decompensationg
  12. What is distributive shock?
    prevents appropriate distribution of nutrients and removal of wastes. anaphylactic- septic- hypoglycemia
  13. What is obstructive shock?
    interference with the blood flowing through the cardiovascualr system. tension pneumothorax- cardiac tamponade- pulmonary emboli
  14. what are the 3 membranes that protect the brian?
    Dura mater- pia mater- arachnoid membrane
  15. What do Battle signs show?
    retroauricular acchymosis.- associated with the fracture of auditory canal and lower skull areas.
  16. What do raccoon eyes show?
    bilateral periorbital- eccymosis associated with orbital fractures.
  17. What are 2 types of direct brain injurys?
    • Coup- injury to site of impact
    • contrecoup- injury on opposite side of impact.
  18. A neurogenic injury with shock secondary to spinal cord damage may present with?
    Bradycardia in the presence of hypovolemia
  19. cushing reflex is?
    bp up pulse down resp irregular
  20. What is the fibrous tissue that surrounds the interior abd cavity.?
    Peritoneum
  21. Sign and symp of tension pneumothorax include?
    hyperresonance of the injured side of the chest.

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