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Author Question: Which of the following are true about intermittent positive-pressure breathing? 1. During ... (Read 44 times)

bb

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on: Jul 16, 2018
Which of the following are true about intermittent positive-pressure breathing?
 
  1. During inspiration, pressure in the alveoli decreases.
  2. The pressure gradients of normal breathing are reversed.
  3. During inspiration, alveolar pressure may exceed pleural pressure.
  4. Energy stored during inspiration causes a passive exhalation.
  a. 1 and 3 only
  b. 1, 2, and 3 only
  c. 3 and 4 only
  d. 2, 3, and 4 only

Question 2

Which of the following possesses the most significant risk for hypoventilation?
 
  a. IPPB
  b. IS
  c. IPAP/EPAP
  d. CPAP


mariahkathleeen

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
Ppl may actually exceed atmospheric pressure during a portion of inspiration.

Answer to Question 2

ANS: D
Providing continuous positive airway pressure (CPAP) can cause smaller tidal volumes and may cause issues with hypoventilation.


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