The function of type II cells in pulmonary alveoli is to:
A) Detoxify nitrogen dioxide
B) Facilitate the diffusion of oxygen out of pulmonary capillaries
C) Perform proteolysis of mucous proteins
D) Secrete the phospholipids of surfactant
E) Utilize cilia to transport mucus out of the lungs

Question

Quizplus · Accepted Answer

Type II cells are responsible for secreting surfactant, which contains phospholipids that reduce surface tension in the alveoli and prevent their collapse during exhalation.

The Function of Type II Cells in Pulmonary Alveoli Is