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Author Question: Inhalation of dry gases can do which of the following? 1. Increase viscosity of secretions. 2. ... (Read 78 times)

newbem

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on: Jul 16, 2018
Inhalation of dry gases can do which of the following? 1. Increase viscosity of secretions. 2. Impair mucociliary motility. 3. Increase airway irritability.
 
  a. 1 and 2 only
  b. 3 only
  c. 1 and 3 only
  d. 1, 2, and 3

Question 2

Which of the following inspired conditions should be maintained when delivering medical gases to the nose or mouth?
 
  a. 50 relative humidity (RH) at 20 to 22 C
  b. 100 RH at 20 to 22 C
  c. 80 RH at 28 to 32 C
  d. 100 RH at 32 to 35 C


mirabriestensky

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

ANS: D
As the airway is exposed to relatively cold, dry air, ciliary motility is reduced, airways become more irritable, mucous production increases, and pulmonary secretions become inspissated (thickened due to dehydration).

Answer to Question 2

ANS: A


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newbem

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Reply #2 on: Jul 16, 2018
Thank you


mirabriestensky

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Reply #3 on: Jul 16, 2018
No problemo


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