Gag reflex is lost due to paralysis of______________?

Correct answer: C. IX nerve

A. V nerve
B. VII nerve
C. IX nerve
D. XII nerve

Explanation

The glossopharyngeal nerve is the afferent limb of the gag reflex, carrying sensation from the pharynx to the brainstem. The vagus nerve supplies the motor limb, but it is not among the listed options.

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

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Gag reflex is lost due to paralysis of______________?

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