Destruction to Your Left Glossopharyngeal Nerve Would Result In

Question

Destruction to your left glossopharyngeal nerve would result in
A) inability to sense sweetness at the tip of your tongue.
B) inability to identify sour and bitter foods at the posterior one-third of the tongue.
C) inability to smell.
D) inability to see.
E) inability to hear.

Accepted Answer

Glossopharyngeal nerve is responsible for the sensation of sour and bitter taste at the posterior one-third of the tongue. Destruction or damage to this nerve would result in an inability to identify these tastes. The other options are referring to different nerves responsible for different functions.