GENERAL ANATOMY
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cranial nerve I
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Cranial nerve II
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Cranial nerve IX
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Cranial nerve XII
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Detailed explanation-1: -The optic nerve is the second cranial nerve (CN II) responsible for transmitting visual information. The optic nerve contains only afferent (sensory) fibers, and like all cranial nerves is paired.
Detailed explanation-2: -Neuroanatomy, Cranial Nerve 2 (Optic)
Detailed explanation-3: -The optic nerve is the second of 12 cranial nerves. Each eye has its own optic nerve. The optic nerve: Starts in the optic disk, a group of cells in retinal tissue at the back of your eye.
Detailed explanation-4: -Cranial nerves I (olfactory), II (optic), and VIII (vestibulocochlear) are considered purely afferent.
Detailed explanation-5: -The optic nerve travels through the optic canal, partially decussates in the optic chiasm, and terminates in the lateral geniculate nucleus where information is transmitted to the visual cortex.