The primary purpose of the ciliated mucous membrane in the nose is to:
a. Warm the inhaled air.
b. Filter out dust and bacteria. c.
Filter coarse particles from inhaled air.
d. Facilitate the movement of air through the nares.
ANS: B
The nasal hairs filter the coarsest matter from inhaled air, whereas the mucous blanket filters out dust and bacteria. The rich blood supply of the nasal mucosa warms the inhaled
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