CNA

Olfactory I. Smell

Optic II. Vision, peripheral vision

Oculomotor III. Most extraocular muscles (EOM’s), pupil constriction

Trochlear IV. EOM—only superior oblique

Trigeminal V. Sensation to three areas of face, movement of masseter &

temporal muscles

Abducens VI. EOM—only lateral rectus

Facial VII. Facial expressions (movement of face), taste—tip of tongue

Acoustic VIII. Hearing, ALSO CALLED VESTIBULOCOCHLEAR

Glossopharyngeal IX. Taste—posterior tongue, gag reflex, speech & swallowing

Vagus X. Speech & swallowing, sensation to pharynx & larynx

Spinal accessory XI. Strength/movement of trapezius and sternocleidomastoid

muscles

Hypoglossal XII. Tongue--protrudes midline, no tremor

Mnemonics

To help remember the names of the cranial nerves:

 On Old Olympus Towering Top A Finn And German Viewed Some Hops

 Oh, Once One Takes The Anatomy Final, Very Good Vacations Seem Heavenly!

 Oh, Oh, Oh, To Touch And Feel Very Green Vegetables, AH!

Does the cranial nerve control sensory function, motor function, or both?

 Some Say Marry Money, But My Brother Says Bad Business Marry Money