SCIENCE
NERVOUS SYSTEM
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Motor nerve
|
|
|
Mixed nerve
|
|
|
Sensory nerve
|
|
|
None of the above
|
Detailed explanation-1: -The optic nerve is critical to your vision. It’s an extension of your central nervous system, which includes your brain and spine. The optic nerve transmits electrical impulses from your eyes to your brain. Your brain processes this sensory information so that you can see.
Detailed explanation-2: -The optic nerve is a CNS structure arising from the diencephalon. As a CNS structure, the optic nerve is myelinated by oligodendrocytes and is ensheathed in the three meningeal layers.
Detailed explanation-3: -Optic Nerve (CN II): The function of this nerve is purely sensory. It senses incoming light and images displayed on the retina. It then sends this information to the cerebral cortex. It also contributes to changing pupil sizes (autonomic).