What Is the Purpose of Surfactant

question 7

Multiple Choice

What is the purpose of surfactant?

• A) To reduce friction between the pleural membranes during inspiration and expiration
• B) To provide a medium in which gas can dissolve
• C) To gather any dust particles that have entered the lungs in inspired air
• D) To reduce surface tension to keep the alveolus from collapsing during respiration

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Definitions:

Body

Refers to the physical structure of an organism or any living entity, comprising systems that perform vital functions.

Living Organism

Any entity that exhibits the characteristics of life, such as growth, reproduction, responsiveness, and metabolism.

Hydrologic Cycle

The continuous cycle of water movement through the Earth's system, including processes such as evaporation, condensation, precipitation, and infiltration.

Fresh Water

Water that contains minimal amounts of dissolved salts, typically found in lakes, rivers, and streams.