Which cranial nerve nuclei would be impaired if the medulla was damaged?
  1. V, VII, IX
  2. III, IV, VI
  3. IX, X, XII
  4. X, XI, XII
Explanation
Answer: C - The medulla houses the nuclei of cranial nerves IX, X, and XII. Thus, impairment of certain functions would occur to the glossopharyngeal, vagus, and hypoglossal nerves.
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