What symptoms would manifest after a complete lesion of the vagus nerve?
A. Compromise of both the gag reflex and the swallowing reflex; decrease in salivation
B. Atrophy of the ipsilateral tongue
C. Paralysis of the ipsilateral sternocleidomastoid and trapezius muscles
D. Difficulty speaking and swallowing, poor digestion, asymmetric elevation of the palate, and hoarseness
ANS: D
Rationale: A complete lesion of the vagus nerve results in difficulty speaking and swallowing, poor digestion as a result of decreased digestive enzymes and decreased peristalsis, asymmetric elevation of the palate, and hoarseness.
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