HESI Cranial Nerves

CN I

Smell (Olfactory)

CN II

Sight (Optic)

CN III

Moves the eye up, down, left, right and diagonally, adjusts the pupil and lens of eye. (Oculomotor)

CN IV

Moves the eye up, down, left, right, and diagonally (Trochlear)

CN V

Largest of the cranial nerves; chewing, face sensation. (Trigeminal)

CN VI

Moves the eye up, down, left, right and diagonally. (Abducens)

CN VII

Facial expression and anterior two-thirds of the tongue. (Facial)

CN IX

Swallowing, Saliva, taste. (Glossopharyngeal)

CN X

Controls peripheral nervous system (Vagus Nerve)

CN XI

Swallowing and movement of the head and neck (Accessory)

CN XII

Speech and swallowing; tongue muscles. (Hypoglossal)

CN VIII

hearing and balance (Vestibulocochlear)