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Question
Which of the following cranial nerves is mixed in function?
Which of the following cranial nerves is mixed in function?
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Solution
The correct option is C Vagus
Mixed nerves are those nerves which have both sensory and motor neurons. The vagus is a mixed nerve, which contains somatic afferents (from skin in back of the ear and the external auditory meatus), visceral afferents (from the pharynx, larynx, thorax, and abdomen), parasympathetic efferents (to the thorax and abdomen), and efferents to striated muscle (of the larynx and pharynx). It is the tenth cranial nerve. So, the correct answer is option B.
Mixed nerves are those nerves which have both sensory and motor neurons. The vagus is a mixed nerve, which contains somatic afferents (from skin in back of the ear and the external auditory meatus), visceral afferents (from the pharynx, larynx, thorax, and abdomen), parasympathetic efferents (to the thorax and abdomen), and efferents to striated muscle (of the larynx and pharynx). It is the tenth cranial nerve. So, the correct answer is option B.
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