The oculomotor nerve
A) innervates all the muscles that move the eyeball.
B) adjusts pupil size to the level of lighting.
C) transmits action potentials from the retina.
D) controls the organ of balance.
E) innervates two of the six muscles that move the eyeball.

Question

Quizplus · Accepted Answer

The oculomotor nerve (cranial nerve III) is responsible for controlling most of the eye's movements, including constriction of the pupil in response to light. It does not innervate all the muscles that move the eyeball, nor does it transmit signals from the retina or control balance.

The Oculomotor Nerve