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Author Question: The time available for diffusion in the lung is mainly a function of which of the following? a. ... (Read 33 times)

abc

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on: Jul 16, 2018
The time available for diffusion in the lung is mainly a function of which of the following?
 
  a. Functional residual capacity (FRC)
  b. Inspired O2 concentration
  c. Level of VA
  d. Rate of pulmonary blood flow

Question 2

Carbon dioxide diffuses across the alveolar-capillary membrane approximately how many times faster than O2?
 
  a. 10
  b. 20
  c. 30
  d. 40


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CAPTAINAMERICA

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

ANS: D
The diffusion time in the lung depends on the rate of pulmonary blood flow.

Answer to Question 2

ANS: B
Carbon dioxide diffuses approximately 20 times faster across the alveolar-capillary membrane than does O2, because of its much higher solubility in plasma.


abc

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Reply #2 on: Jul 16, 2018
Thank you :)


CAPTAINAMERICA

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Reply #3 on: Jul 16, 2018
Happy to help you


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