BRAIN
CRANIAL NERVES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The vagus nerve is the cranial nerve which has the longest course of the human body.
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Correct
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Salah
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The vagus nerve (cranial nerve [CN] X) is the longest cranial nerve in the body, containing both motor and sensory functions in both the afferent and efferent regards.
Detailed explanation-2: -The right vagus enters the thorax by crossing the first part of the subclavian artery and posterior to the innominate artery; then travels behind the primary right bronchus and esophagus to form the esophageal plexus with the left vagus nerve.
Detailed explanation-3: -All 12 cranial nerves have specific functions, and the vagus nerve is like the Buddha of your brain. We’ll explain why this is shortly. It’s the longest cranial nerve in the body (the longest of all the body’s nerves is the sciatic nerve).
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