Which of the following substances is produced by the lung for the purpose of reducing surface tension?

Question

Quizplus · Accepted Answer

The primary purpose of surfactant is to prevent lung collapse. The secondary purpose is to reduce surface tension. Additionally, the compliance of the lung is increased, meaning it can inflate more easily.
Sodium bicarbonate is a chemical buffer that reduces acidity to maintain the proper acid-base balance.
Oxidase is an enzyme that catalyzes the transfer of a hydrogen to an oxygen molecule.
Carbon dioxide is the gas byproduct that forms as a result of metabolism and is exhaled through the lungs.

Which of the Following Substances Is Produced by the Lung