What factors are responsible for the decrease in the volume of the alveoli?
A)compliance and lung recoil
B)lung recoil and surface tension of water
C)compliance and surface tension of water
D)perfusion and lung recoil

Question

Quizplus · Accepted Answer

The volume of the alveoli decreases due to lung recoil, which is the elastic property of the lungs that tends to collapse the smaller airways and alveoli during expiration. Additionally, the surface tension of water that lines the alveoli also contributes to the decrease in volume. This is because the surface tension forces the water molecules to stick together, creating a cohesive force that can collapse the alveoli. Compliance, which is the ability of the lungs to stretch and expand, and perfusion, which refers to blood flow to the lungs, do not directly contribute to the decrease in alveolar volume.

What Factors Are Responsible for the Decrease in the Volume