Decreased surfactant production in the preterm lung is a problem because surfactant
A) Causes increased permeability of the alveoli
B) Provides transportation for oxygen to enter the blood supply
C) Keeps the alveoli open during expiration
D) Dilates the bronchioles, decreasing airway resistance

Question

Quizplus · Accepted Answer

Surfactant is a substance produced by the lungs that coats the inside of the alveoli and helps to keep them open during expiration. Without surfactant, the alveoli can collapse and make it harder for oxygen to enter the bloodstream.

Decreased Surfactant Production in the Preterm Lung Is a Problem