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ADA NBDE National Board Dental Part I

Category - NBDE

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Which of the following nerves innervates the stapedius muscle of the middle ear?

CN V-1
CN V-2
CN VII
CN V-3

Explanation

Answer: C - The stapedius muscle receives motor stimulus from a branch of the facial nerve (CN VII). It is important to distinguish this from innervation to the tensor tympani (CN V3).

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ADA NBDE National Board Dental Part I

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ADA NBDE National Board Dental Part I

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