INBDE (Integrated National Board Dental Examination) Practice Exam

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Auricular muscles are innervated by which cranial nerve?

  1. V

  2. VI

  3. VII

  4. IX

The correct answer is: VII

The auricular muscles, which are responsible for ear movement, are innervated by the facial nerve (Cranial Nerve VII). Option A (V) is the trigeminal nerve which is responsible for sensation in the face, but not ear movement. Option B (VI) is the abducens nerve which controls eye movements, and has no connection to the ear. Option D (IX) is the glossopharyngeal nerve, responsible for taste and sensation of the tongue, but not ear movement.

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