Q:

Which statement about the vagus nerve is true?

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Which statement about the vagus nerve is true?


  1. it lies within the cerebrospinal tract
  2. it arises from the pons
  3. it has a sensory function in vision and olfaction
  4. it carries parasympathetic motor impulses

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D: The vagus nerve carries 90 % of parasympathetic motor impulses. It arises mainly from the medulla oblongata. 

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