Which of the following cranial nerves innervates only one muscle of the eyeball?
A)optic nerve
B)facial nerve
C)trochlear nerve
D)trigeminal nerve
E)oculomotor nerve

Question

Quizplus · Accepted Answer

The trochlear nerve innervates the superior oblique muscle of the eyeball, which is the only muscle innervated by a single cranial nerve. The optic nerve (A) is responsible for transmitting visual information to the brain, the facial nerve (B) innervates the muscles of facial expression and the trigeminal nerve (D) innervates sensory and motor fibers to the face. The oculomotor nerve (E) innervates four of the six muscles of the eyeball.

Which of the Following Cranial Nerves Innervates Only One Muscle