Which of the following would slow down gas exchange between the blood and alveolar air?
A) An increase in membrane thickness
B) An increase in alveolar surface area
C) An increase in respiratory rate
D) A decrease in membrane thickness
E) A decrease in nitrogen solubility

Question

Quizplus · Accepted Answer

Increase in membrane thickness would increase the diffusion distance for oxygen and carbon dioxide, slowing down gas exchange. The other options would not directly affect gas exchange or would actually improve it (such as an increase in alveolar surface area).

Which of the Following Would Slow Down Gas Exchange Between