The lipid molecule critical to lung function that coats the gas-exposed alveolar surfaces is called ________.
A) surfactant
B) interferon
C) kinin
D) renin
E) lecithin

Question

Quizplus · Accepted Answer

The lipid molecule critical to lung function that coats the gas-exposed alveolar surfaces is called surfactant. Surfactant reduces the surface tension of the fluid lining the alveoli, preventing their collapse during exhalation and promoting efficient exchange of gases.

The Lipid Molecule Critical to Lung Function That Coats the Gas-Exposed