BRAIN
CRANIAL NERVES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The TRUE statement about the trochlear nerve is
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Smallest cranial nerve
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Is a mixed nerve
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Innervates the extrinsic and intrinsic muscles of the eye
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Is a type of sensory autonomic nerve
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Explanation:
Detailed explanation-1: -The mean diameter of the trochlear nerve was only 0.54 mm (range, 0.35–0.96 mm) in our study, which is similar to the diameter reported in a previous cadaver study (mean, 0.85 mm; range, 0.5–1.1 mm).
Detailed explanation-2: -It is also known as the fourth cranial nerve. The smallest nerve in the human body is the trochlear nerve. It allows the superior oblique muscle of the eye to move. It is feasible to look down because of this. The nerve also allows for eye movement toward or away from the nose.
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