Question

question 22
flag question
what is the glossopharyngeal nerve responsible for?
answers: a - e
a smell
b vision
c hearing
d swallowing and taste from the posterior one - third of the tongue
e facial movement

Explanation:

The glossopharyngeal nerve (cranial nerve IX) has several functions. It is involved in the sensory aspect of taste for the posterior one - third of the tongue. It also has motor functions related to swallowing as it innervates some muscles involved in the swallowing process.

• Option A (Smell) is mainly associated with the olfactory nerve (cranial nerve I).
• Option B (Vision) is associated with the optic nerve (cranial nerve II).
• Option C (Hearing) is mainly related to the vestibulocochlear nerve (cranial nerve VIII).
• Option E (Facial movement) is associated with the facial nerve (cranial nerve VII).

Answer:

D. Swallowing and taste from the posterior one - third of the tongue