Which of the Following is True of CN I,II,and VIII

Question

Which of the following is true of CN I,II,and VIII? All are
A) sensory and send information to the primary visual cortex.
B) motor and stimulate muscles that move the eyeballs.
C) sensory and send information to the primary auditory cortex.
D) sensory.

Accepted Answer

CN I (olfactory nerve) is purely sensory and sends information related to smell to the brain. CN II (optic nerve) is also purely sensory and sends information related to vision to the brain. CN VIII (vestibulocochlear nerve) is sensory and sends information related to hearing and balance to the brain. Therefore, option D is correct as all three nerves are sensory.