What phospholipid decreases the surface tension of the alveoli?

Question

Quizplus · Accepted Answer

Surfactant is a phospholipid that is made by type II alveolar cells in the lungs. It helps to decrease the surface tension of the alveoli, thus preventing them from collapsing during exhalation. Mucus is a secretion that traps foreign particles in the respiratory tract, saliva is a secretion from the salivary glands in the mouth, and lymph is a fluid that circulates throughout the body. None of these substances are known to decrease the surface tension of the alveoli.

What Phospholipid Decreases the Surface Tension of the Alveoli