GROSS ANATOMY
CRANIAL NERVES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Right
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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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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 trochlear nerve is the fourth cranial nerve (CN IV) and one of the ocular motor nerves that controls eye movement. The trochlear nerve, while the smallest of the cranial nerves, has the longest intracranial course as it is the only nerve to have a dorsal exit from the brainstem.
Detailed explanation-3: -The right vagus crosses in front of the first part of the subclavian artery and then travels into the fat behind the innominate vessels. It then reaches the thorax on the right side of the trachea, which separates it from the right pleura.
Detailed explanation-4: -The sciatic nerve is the largest nerve in the human body.