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: -Special visceral efferent fibers (branchial motor) are the main motor fibers of the glossopharyngeal nerve and supply motor innervation to the stylopharyngeus muscle. This muscle is responsible for elevating the larynx and pharynx, especially during speaking and swallowing.

Detailed explanation-3: -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.

Detailed explanation-4: -Cranial Nerve 11-Spinal Accessory (XI) The cranial portion arises from the medulla and passes through the jugular foramen to supply the voluntary muscles of the pharynx, larynx, and soft palate for the control of swallowing.