Question

name the following cranial nerves their type origin and function ii v ix​

Answer 1

Answer:

Cranial nerve ii - Optic nerve

Nerve v - Trigeminal

Nerve ix - glossopharyngeal

Explanation:

There are 12 cranial nerves.

Optic Nerve: Cranial nerve II. The optic nerve is originated from the Cerebrum. It produces all types of visual information. The colour perception, brightness, contrast are possible because of the optic nerve. The optic nerve is responsible for the light reflex and the accommodation reflex. It carries the image formed on the retina to the brain in the form of electrical signals.

Trigeminal Nerve: It is called cranial nerve V. There are two trigeminal nerves. one on each side. It origins from the brain and travel throughout the body. Trigeminal nerves help with biting, chewing and swallowing. It helps with the facial and scalp sensation.

Glossopharyngeal Nerve: It is called cranial nerve CN IX. It is sensory, motor and parasympathetic and sensory information to mouth and throat in function. It originates from Medulla Oblongata and terminates in the pharynx.

Hence, the CN II - optic nerve, CN V - Trigeminal nerve and CN IX - Glossopharyngeal nerve.