Lung perfusion depends on all of the following EXCEPT:
A) efficient pumping of blood by the heart.
B) intact pulmonary capillaries.
C) an intact alveolar membrane.
D) adequate blood volume.

Question

Quizplus · Accepted Answer

Although an intact alveolar membrane is related to gas exchange in the lungs, it is not directly related to lung perfusion. Factors that directly affect lung perfusion are efficient pumping of blood by the heart, intact pulmonary capillaries, and adequate blood volume.

Lung Perfusion Depends on All of the Following EXCEPT