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:

Debt/Equity Ratio

A financial ratio indicating the relative proportion of shareholders' equity and debt used to finance a company's assets, often used to gauge financial health and risk.

Required Rate of Return

The lowest yearly percentage gain from an investment required to attract individuals or businesses to invest in a specific security or venture.