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ADA NBDE National Board Dental Part I

Category - NBDE

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The platysma is innervated by which of the following nerves?

Trigeminal
Facial
Glossopharyngeal
Spinal accessory

Explanation

Answer: B - The platysma, considered a muscle of facial expression, is innervated by the facial nerve (CN VII).

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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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