The only pharyngeal muscle innervated by the glossopharyngeal nerve is the_______________?

Correct answer: A. Style pharyngeus

A. Style pharyngeus
B. Palatopharyngeus
C. Superior constrictor
D. Middle constrictor

Explanation

Stylopharyngeus is the only pharyngeal muscle supplied by the glossopharyngeal nerve, whereas the remaining pharyngeal muscles are supplied chiefly through the vagus nerve. Its action is to elevate the pharynx during swallowing.

Submitted by a TestUstad contributor and published by the TestUstad editorial teamLast updated 21 September 2026

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The only pharyngeal muscle innervated by the glossopharyngeal nerve is the_______________?

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