Sensory nerve fibers to posterior one third of the tongue is supplied by ______________?
Correct answer: B. IX cranial nerve
- A. XII cranial nerve
- B. IX cranial nerve
- C. X cranial nerve
- D. VII cranial nerve
Explanation
General sensation from the posterior one-third of the tongue is carried by the glossopharyngeal nerve, cranial nerve IX. Cranial nerve XII is motor to the tongue and does not provide mucosal sensation.
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