Author Question: An Emergency Medical Responder asks you to explain a pneumothorax. You would explain that a ... (Read 101 times)

james9437

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An Emergency Medical Responder asks you to explain a pneumothorax. You would explain that a pneumothorax occurs when:
 
  A) the lung becomes overinflated with air and collapses.
  B) air accumulates around the lung, causing a portion of it to collapse.
  C) the trachea becomes obstructed, causing the lungs to collapse.
  D) air enters the lung and alveoli from a traumatic opening in the chest wall.

Question 2

In the normal heart, this is the only pathway for conduction of atrial electrical impulses to the ventricles.
 
  A) AV node
  B) left bundle branch
  C) right bundle branch
  D) SA node



af

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Answer to Question 1

B

Answer to Question 2

A



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