The hypoglossal nerve is the motor nerve to all of the muscles of the tongue except, the____________?
Correct answer: B. Palatoglossus
- A. Genioglossus
- B. Palatoglossus
- C. Superior longitudinal muscle
- D. Inferior longitudinal muscle
Explanation
The hypoglossal nerve supplies all intrinsic and most extrinsic tongue muscles, but palatoglossus is supplied by the vagus nerve through the pharyngeal plexus. The three other muscles listed are supplied by hypoglossal nerve.
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