BRAIN
CRANIAL NERVES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Sensory to pharynx, tongue and carotid
|
|
|
speech and swallowing
|
|
|
vision
|
|
|
None of the above
|
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: -Glossopharyngeal Nerve Function The glossopharyngeal nerve carries many types of nerve fibers and has multiple functions, regulating: Taste sensations from the rearmost third of the tongue. Sensations from the tonsils, back of the throat, middle ear, and the area behind the ear.
Detailed explanation-3: -Innervation. The carotid sinus nerve, which is a branch of the glossopharyngeal nerve (cranial nerve IX), provides the sensory innervation to the carotid body. The cell bodies of the afferent neurons reside in petrosal ganglion. Both myelinated (A) and unmyelinated fibers (C) are found in the carotid sinus nerve.