Cranial Nerves

I - olfactory

smell

II - optic

Visual acuity and field

III - oculomotor

Eye movement, pupil size, reactivity, eyelid movement

IV - Trochlear

Eye movement down and laterally

V - trigeminal

Chewing and facial sensation

VI - Abducens

eye movement laterally

VII - Facial

facial expressions

VIII -Vestibulcochlear

Hearing and balance

IX - glossopharyngeal

Gagging and swallowing

X - Vagus

Pharynx and larynx sensation and swallowing

XI Spinal accessory

shoulder shrugging and head rotation

XII - Hypoglossal

Tongue movement and speech