EVERYDAY SCIENCE

SCIENCE

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Optic Nerve
A
Cranial nerve I
B
Cranial nerve II
C
Cranial nerve IX
D
Cranial nerve XII
Explanation: 

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: -The optic nerve has been classified as the second of twelve paired cranial nerves, but it is technically part of the central nervous system, rather than the peripheral nervous system because it is derived from an out-pouching of the diencephalon (optic stalks) during embryonic development.

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.

There is 1 question to complete.