Ptosis (drooping of the upper eyelid) of the left eye would be caused by damage to the ________ nerve.
A) facial
B) abducens
C) trochlear
D) oculomotor
E) optic

Question

Quizplus · Accepted Answer

The oculomotor nerve (cranial nerve III) innervates several muscles that control eye movements, including the levator palpebrae superioris muscle, which is responsible for elevating the upper eyelid. Damage to this nerve can result in ptosis, or drooping of the upper eyelid.

Ptosis (Drooping of the Upper Eyelid) of the Left Eye