Which is the smallest cranial nerve?

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Question

(C) The cranial nerves are a set of $12$ pairs of nerves that emerge directly from the brain.Among these,the trochlear nerve,which is the $IV$ cranial

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$IV$ - cranial nerve

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(C) The cranial nerves are a set of $12$ pairs of nerves that emerge directly from the brain.Among these,the trochlear nerve,which is the $IV$ cranial nerve,is the smallest in size.It is primarily responsible for innervating the superior oblique muscle of the eye,which helps in the downward and inward movement of the eyeball.Therefore,the correct option is $C$.

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