Taste sensation from the posterior third of the tongue is carried by which cranial nerve?

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Multiple Choice

Taste sensation from the posterior third of the tongue is carried by which cranial nerve?

Explanation:
Taste from the back third of the tongue is carried by the glossopharyngeal nerve. The tongue’s taste distribution is split: the anterior two-thirds receive taste via the chorda tympani branch of the facial nerve, while the posterior third is carried by the glossopharyngeal nerve. The vagus nerve provides taste only in other areas such as the epiglottis, not the posterior tongue. The trigeminal nerve handles general sensation (touch, pain, temperature) from the tongue but does not convey taste.

Taste from the back third of the tongue is carried by the glossopharyngeal nerve. The tongue’s taste distribution is split: the anterior two-thirds receive taste via the chorda tympani branch of the facial nerve, while the posterior third is carried by the glossopharyngeal nerve. The vagus nerve provides taste only in other areas such as the epiglottis, not the posterior tongue. The trigeminal nerve handles general sensation (touch, pain, temperature) from the tongue but does not convey taste.

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