INBDE (Integrated National Board Dental Examination) Practice Exam

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Hypoglossal nerve exits?

  1. Stylomastoid foramen

  2. Jugular foramen

  3. Foramen magnum

  4. Hypoglossal canal

The correct answer is: Hypoglossal canal

The hypoglossal nerve exits through the hypoglossal canal, which is located in the occipital bone at the base of the skull. This canal specifically allows the hypoglossal nerve to connect to the tongue muscles and control movements of the tongue. The other options are incorrect because the stylomastoid foramen is the exit point for the facial nerve, the jugular foramen is the exit point for the glossopharyngeal, vagus, and accessory nerves, and the foramen magnum is the exit point for the spinal cord.

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