Identify Functions of Airway Mucus in the Normal Lung

question 109

Multiple Choice

Identify functions of airway mucus in the normal lung.
1) Increased mucus production decreases bronchospasm.
2) Protect the airways from excessive water loss.
3) Shield the airway from toxic particles.
4) Trap inhaled contaminants.

• A)1, 2, and 3 only
• B)2, 3, and 4 only
• C)1 and 4 only
• D)3 and 4 only

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Definitions:

Nutrients

Substances obtained from food and used by our bodies for growth, energy, and maintaining health.

Mucus

A sticky, slimy substance produced by mucous membranes in the body, acting as a lubricant and protective barrier against foreign particles and microbes.

Enzymes

Enzymes are biological catalysts that speed up chemical reactions in living organisms, playing essential roles in various biochemical processes.

Mucosa

The moist, inner lining of some organs and body cavities, such as the nose, mouth, lungs, and stomach, involved in absorption and secretion.