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) palatoglossus
B) genioglossus
C) styloglossus
D) hyoglossus
E) none of the above

Question

Quizplus · Accepted Answer

The genioglossus muscle is responsible for protruding the tongue. If the tongue deviates to one side, it suggests damage to the hypoglossal nerve (CN XII) affecting the genioglossus muscle on the opposite side of the deviation.

In Assessing a Stroke Patient, You Ask Her to Stick