In assessing a stroke patient, you ask her to stick out (protract) her tongue. You note that it deviates to one side. You suspect that damage to the neural control of the ________ muscle has occurred.
A) hyoglossus
B) genioglossus
C) palatoglossus
D) styloglossus
E) none of the above

Question

Quizplus · Accepted Answer

The genioglossus muscle is responsible for protruding the tongue. Damage to the hypoglossal nerve (CN XII) that innervates this muscle can cause the tongue to deviate to one side.

In Assessing a Stroke Patient, You Ask Her to Stick