Which of the Following Cranial Nerves Does NOT Innervate Extrinsic

Question

Which of the following cranial nerves does NOT innervate extrinsic eye muscles?
A) Oculomotor
B) Abducens
C) Trochlear
D) Optic

Accepted Answer

The optic nerve (cranial nerve II) is responsible for vision and does not innervate any muscles, including the extrinsic eye muscles. The oculomotor (III), abducens (VI), and trochlear (IV) nerves innervate the extrinsic eye muscles, controlling eye movements.