A GREAT WAY TO REMEMBER THE...
12 CRANIAL NERVES
“On Old Olympus Towering Top A Finn And German Viewed Some Hops”
Cranial Nerve Major Function(s)
I Olfactory Smell
II Optic Vision
III Oculomotor Eyelid and eyeball movement
IV Trochlear Innervates superior oblique
Turns eye downward and laterally
V Trigeminal Chewing
Face & mouth - touch & pain
VI Abducens Turns eye laterally
VII Facial Controls most facial expressions
Secretion of tears & saliva; Taste
VIII Vestibulochochlear
(auditory) Hearing
Equilibrium sensation
IX Glossopharyngeal Taste
Senses carotid blood pressure
X Vagus Senses aortic blood pressure; Slows
heart rate; Stimulates digestive organs;
Taste
XI Spinal Accessory Controls trapezius &
sternocleidomastoid; Controls
swallowing movements
XII Hypoglossal Controls tongue movements
