Answered: 4. The diffusing capacity of the lung… | bartleby

Intro To Health Care

Intro To Health Care

4th Edition

ISBN:9781337338295

Author:Mitchell

Publisher:Mitchell

Chapter11: Environmental Safety

Section: Chapter Questions

Problem 8RQ

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4. The diffusing capacity of the lung for oxygen is decreased by an increase in which of the following?
A) Alveolar membrane thickness
B) Alveolar surface area
C) Hematocrit
D) Pulmonary capillary blood transit time
E) Pulmonary capillary blood volume

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Which of the following factors would NOT increase the rate of diffusion of oxygen through the respiratory membrane? A) Increasing the SA/V ratio B) Increasing the partial pressures C) Decreasing the surface area D) Decreasing the thickness of the membrane E) Decreasing the distance the gas has to diffuse
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