THORAX ABDOMEN AND PELVIS

MEDICAL

NERVES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which nerve is motor and responsible for lateral eye movement?
A
abducens (VI)
B
optic (II)
C
accessory (XI)
D
facial (VII)
Explanation: 

Detailed explanation-1: -Cranial nerve six (CN VI), also known as the abducens nerve, is one of the nerves responsible for the extraocular motor functions of the eye, along with the oculomotor nerve (CN III) and the trochlear nerve (CN IV).

Detailed explanation-2: -The oculomotor nerve is the third cranial nerve (CN III). It enables eye movements, such as focusing on an object that’s in motion. Cranial nerve III also makes it possible to move your eyes up, down and side to side.

Detailed explanation-3: -Cranial nerve 6, also called the abducens nerve, controls the movement of the lateral rectus muscle. This muscle moves the eye outward, away from the nose. When this nerve is damaged, it may not be able to do its job.

Detailed explanation-4: -The abducens nerve is a purely somatic motor nerve, It has no sensory function. It innervates the lateral rectus muscle, an extraocular muscles of the eye, which is responsible for the abduction of the eyes on the same (ipsilateral) side.

There is 1 question to complete.