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Author Question: Which of the following modes of lung expansion therapy is physiologically most normal? a. ... (Read 234 times)

kamilo84

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Which of the following modes of lung expansion therapy is physiologically most normal?
 
  a. Continuous positive airway pressure
  b. Incentive spirometry
  c. Positive end expiratory pressure
  d. Intermittent positive-pressure breathing therapy

Question 2

How do all modes of lung expansion therapy aid lung expansion?
 
  a. Increasing the transpulmonary pressure gradient
  b. Decreasing the transthoracic pressure gra-dient
  c. Increasing the pressure in the pleural space
  d. Decreasing the pressure in the alveoli



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InfiniteSteez

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Answer to Question 1

ANS: B
Although all these approaches are used in lung expansion therapy, it should be clear that those methods that decrease Ppl (e.g., incentive spirometry) have more of a physiologic effect than those that raise Palv and often are most effective.

Answer to Question 2

ANS: A
All modes of lung expansion therapy increase lung volume by increasing the transpulmonary pressure (PL) gradient.




kamilo84

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Reply 2 on: Jul 16, 2018
Excellent


dreamfighter72

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Reply 3 on: Yesterday
Wow, this really help

 

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