Multiple choice Which of the following nerves innervates the superior oblique muscle of the human eye? Trigeminal nerve Trochlear nerve Oculomotor nerve Optic nerve Olfactory nerve Reveal answer Fill a bubble to check yourself B Correct answer Explanation The trochlear nerve is the only cranial nerve that emerges dorsally from the brain. It is a motor nerve that innervates a single muscle, the superior oblique muscle of the eye.