What occurs in the nasal structures when cholinergic fibers are stimulated?
a. Dryness of mucous membranes in the nostrils
b. Bleeding in the mucous membranes in the nostrils
c. Production of serous and mucous secretions in the nostrils
d. Enhanced olfactory perception in the mucous membranes of the nostrils
ANS: C
The cholinergic fibers innervate the secretory glands; when stimulated, they produce serous and mucous secretions within the nostrils. Nasal dryness is the result of treatment with anticholinergic medications. Bleeding may be a result of overtreatment with anticholinergic medications, as a result of dryness of the nasal mucous membranes. Medications tend to dull olfactory function rather than enhance it.
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