CBQ: Case based MCQ for FMGE/MCI screening - 1
Published on Sept. 13, 2021, 10:56 a.m.


Dilip raj, a 44 years old man with a long history of chewing tobacco underwent a tonsillectomy procedure. Following the procedure, he is unable to detect taste on posterior one-third of his tongue. Which of the following nerves has most likely injured?

a) Lingual nerve

b) Glossopharyngeal nerve

c) Greater palantine nerve

d) Chorda tympani


Answer= B
• Posterior one-third of tongue receives both general and taste innervation from the lingual branch of glossopharyngeal nerve
• General sensation of the anterior two-thirds of the tongue is due to lingual nerve
• Taste sensation of the anterior two-thirds of the tongue is due to chorda tympani