When a patient protrudes his tongue, it deviated to the right. Which of the following nerves is damaged ?
Correct answer: C. Right hypoglossal
- A. Left hypoglossal
- B. Glossopharyngeal
- C. Right hypoglossal
- D. Facial nerve
Explanation
A hypoglossal lesion weakens the right genioglossus, so the functioning left genioglossus pushes the protruded tongue toward the right. Hence the damaged nerve is the right hypoglossal nerve.
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