The nerve supply of stapedius muscle is______________?
Correct answer: C. VII cranial nerve
- A. III cranial nerve
- B. V cranial nerve
- C. VII cranial nerve
- D. XI cranial nerve
Explanation
Stapedius is a muscle of facial expression derivatives and receives motor innervation from the facial nerve, cranial nerve VII. The nearby tensor tympani is supplied by the mandibular division of trigeminal nerve, which is a common trap.
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