tester

CN I (Olfactory Nerve)

Function: Smell (S) - Passes through the cribriform plate of the ethmoid bone.

CN II (Optic Nerve)

Function: Vision (S) - Passes through the optic canals of the sphenoid bone.

CN III (Oculomotor Nerve)

Function: Eye movements (M) -Controls most of the eye muscles.

CN IV (Trochlear Nerve)

Function: Eye movement (M) - Innervates the superior oblique muscle.

CN V (Trigeminal Nerve)

Function: Sensory (S) for face and motor (M) for mastication.

CN VI (Abducens Nerve)

Function: Eye movement (M) - Innervates the lateral rectus muscle.

CN VII (Facial Nerve)

Function: Taste (S) from anterior 2/3 of the tongue, control facial expressions (M).

CN VIII (Vestibulocochlear Nerve)

Function: Hearing and balance (S).

CN IX (Glossopharyngeal Nerve)

Function: Taste (S) from posterior 1/3 of the tongue and motor (M) for swallowing.

CN X (Vagus Nerve)

Function: Sensory and motor (M) to various thoracic and abdominal organs.

CN XI (Accessory Nerve)

Function: Motor (M) to the sternocleidomastoid and trapezius muscles.

CN XII (Hypoglossal Nerve)

Function: Motor (M) to the tongue.