Cranial Nerves

What are the 12 cranial nerves in order?

Olfactory, Optic, Oculormotor, Trochlear, Trigeminal, Abducens, Facial, Vestibulocochlear, Glossopharyngeal, Vagus, Accessory, Hypoglossal

Olfactory: list cn number, function, and whether it’s sensory/motor/both

CN I

Sensory

Smell

Optic: list cn number, function, and whether it’s sensory/motor/both

CN II
Sensory

Vision

Oculormotor: list cn number, function, and whether it’s sensory/motor/both

CN III

Motor

Eye movement (eyelid elevation and pupil constriction)

Trochlear: list cn number, function, and whether it’s sensory/motor/both

CN IV

Motor

eye movement

Trigeminal: list cn number, function, and whether it’s sensory/motor/both

CN V

Both

facial, tongue anterior 2/3, biting, chewing

Abducens: list cn number, function, and whether it’s sensory/motor/both

CN VI

Motor

eye movement

Facial: list cn number, function, and whether it’s sensory/motor/both

CN VII

Both

taste anterior 2/3, facial expressions/movement, eye closing, salivation

Vestibularcochlear: list cn number, function, and whether it’s sensory/motor/both

CN VIII

Sensory

balance and hearing

Glossopharyngeal: list cn number, function, and whether it’s sensory/motor/both

CN IX

Both

throat sensation, taste, swallowing, and salivation

Vagus: list cn number, function, and whether it’s sensory/motor/both

CN X

Both

ear, heart, lungs, liver, pancreas, spleen, stomach, small intestine, colon, heart rate, breathing, digestion

Accessory: list cn number, function, and whether it’s sensory/motor/both

CN XI

Motor

neck and shoulder movement

Hypoglossal: list cn number, function, and whether it’s sensory/motor/both

CN XII

Motor

tongue movement

Where is the CN I (Olfactory) located?

Where is the CN II (Optic) located?

Where is the CN III (Oculomotor) located?

Where is the CN IV (Trochlear) located?

Where is the CN V (Trigeminal) located?

Where is the CN VI (Abducens) located?

Where is the CN VII (Facial) located?

Where is the CN VIII (Vestibulocochlear) located?

Where is the CN IX (Glossopharyngeal) located?

Where is the CN X (Vagus) located?

Where is the CN XI (Accessory) located?

Where is the CN XII (Hypoglossal) located?

Way to remember the cranial nerves in order

Oh, Oh, Oh, To, Touch, And, Feel, Very, Good, Velvet, Ah, Heaven

Way to remember sensory, motor, or both (in order of the cranial nerves, I-XII)

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