How does surfactant facilitate alveolar distension and ventilation?
A) It decreases thoracic compliance.
B) It attracts water to the alveolar surface.
C) It decreases surface tension in alveoli.
D) It increases diffusion in alveoli.

Question

Quizplus · Accepted Answer

Surfactant decreases surface tension in the alveoli, preventing collapse and aiding in their expansion during breathing, thus facilitating ventilation.

How Does Surfactant Facilitate Alveolar Distension and Ventilation