NEET PG DENTAL EXAM

Detailed explanation-1: -The glossopharyngeal nerve is the ninth set of 12 cranial nerves (CN IX). It provides motor, parasympathetic and sensory information to your mouth and throat. Among its many functions, the nerve helps raise part of your throat, enabling swallowing.

Detailed explanation-2: -The Hypoglossal Nerve is the 12th Cranial Nerve (Cranial Nerve XII). It is mainly an efferent nerve for the tongue musculature. The nerve originates from the medulla and travels caudally and dorsally to the tongue.

Detailed explanation-3: -The glossopharyngeal nerve enervates muscles involved in swallowing and taste.

Detailed explanation-4: -Cranial nerve IX – Glossopharyngeal nerve The efferent motor fibers of cranial nerve IX supply the stylopharyngeus muscle, 1 which helps elevate the larynx and expand the pharynx during swallowing.