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:

Moon-Shaped Face

A facial appearance characterized by rounding of the face, often associated with certain medical conditions or steroid use.

Addison's Disease

A disorder in which the adrenal glands produce insufficient steroid hormones, leading to symptoms like fatigue, muscle weakness, and low blood pressure.

Serum Cortisol

A steroid hormone measured in the blood, which plays a key role in the body's stress response and regulating metabolism.

Skin Darkening

The process by which skin becomes darker in color, often due to exposure to the sun, certain health conditions, or as a side effect of some medications.