Author Question: Your patient was injured when his airbag deployed during a head-on collision. He complains of acute ... (Read 94 times)

karen

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Your patient was injured when his airbag deployed during a head-on collision. He complains of acute pain when breathing and has trouble catching his breath. Your physical exam reveals a flail segment on the left side of his chest. You recognize that a flail segment can be a life threat because:
 
  A) it can greatly decrease his tidal volume. B) he has an open chest injury.
  C) he likely has an accompanying head injury. D) this increases his chances of infection.

Question 2

Why is inhalation described as an active process?
 
  A) It requires chest muscles to relax and use energy to move, creating a positive pressure.
  B) It requires chest muscles to contract and use energy to move, creating a negative pressure.
  C) It requires the diaphragm to relax and use energy to move, creating a positive pressure.
  D) It uses oxygen to assist chest muscles to contract, creating a negative pressure.



wuly

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Answer to Question 1

A

Answer to Question 2

B



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