Case No. 48

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Case No. 48


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Chief Complaint:

Loss of taste

Published: June 26, 2017
Case No. 48
Author: Folderman

A 42-year-old man presents to you complaining that he is unable to differentiate between sweet and sour tastes at the tip of his tongue. Upon further questioning, the patient denies dysphagia and has normal somatosensation of his tongue. You suspect the patient's symptoms are caused by an injury to a specific cranial nerve.


Which of the following findings will further confirm your diagnosis?

Inability to move the tongue
Inability to tolerate normal sounds
Absence of salivation from the parotid gland
Absence of cough reflex
Absence of pupillary constriction