INBDE (Integrated National Board Dental Examination) Practice Exam

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Pharyngeal arch 3 gives rise to what Cranial Nerve (CN)?

  1. CN VI

  2. CN VII

  3. CN IX

  4. CN X

The correct answer is: CN IX

Pharyngeal arch 3 gives rise to CN IX, also known as the glossopharyngeal nerve. The other options, CN VI (abducens nerve), CN VII (facial nerve), and CN X (vagus nerve) are derived from Pharyngeal arch 4, 2, and 6 respectively. Therefore, they are incorrect options.

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