The innervation of the tensor tympani muscle is_____________?
Correct answer: B. Mandibular
- A. Vagus
- B. Mandibular
- C. Facial
- D. Maxillary
Explanation
Tensor tympani is a first-arch muscle supplied by the mandibular division of the trigeminal nerve, usually through the nerve to medial pterygoid. The facial and vagus nerves supply other middle-ear or pharyngeal muscles, not tensor tympani.
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