Without pulmonary surfactant, which one of these actions would happen?
A)Small alveoli would tend to collapse.
B)Larger alveoli would tend to empty into smaller alveoli.
C) All alveoli would be easier to inflate.
D) The surface tension in the alveoli would be reduced.

Question

Quizplus · Accepted Answer

Pulmonary surfactant reduces surface tension in the alveoli, preventing them from collapsing. Without surfactant, the small alveoli would tend to collapse due to high surface tension.

Without Pulmonary Surfactant, Which One of These Actions Would Happen