Difficulty: Medium
Average Score: 86%
Simulated
A nurse is performing a physical examination on a patient. When the patient is asked to protrude his tongue, the nurse noticed a deviation from the midline to the right side. This is related to a lesion of:
Correct answer
B
Rationale
The hypoglossal nerve (CN XII) controls tongue movements. A lesion causes the tongue to deviate towards the side of the lesion due to muscle weakness on that side.