Cranial Nerve

CRANIAL NERVE'S NAME & FUNCTIONS NUMBER NAME

TYPE

FUNCTION

I

Ol factory

SENSORY

SENSE OF SMELL

II

Optic

SENSORY

VISUAL ACUITY

III

Oculoumotor

MOTOR

EXTRAOCULAR EYE MOVEMENT PUPIL CONSTRICTION & DILATION

IV

Trochlear

MOTOR

UPWARD & DOWNWARD MOVEMENT OF EYE BALL

V

Trigeminal

SENSORY & MOTOR

SENSORY NERVE TO SKIN OF FACE

VI

Abducens

MOTOR

LATERAL MOVEMENT OF EYE BALL

VII

Facial

SENSORY & MOTOR

FACIAL EXPRESSION TASTE

VIII

Vestibula

SENSORY

HEARING

IX

Glossopharygeal

SENSORY & MOTOR

TASTE ABILITTY TO SWALLOW

X

Vagus

SENSORY & MOTOR

SENSATION & PHARYNX ABILITY TO SWALLOW MOVEMENT OF VOCAL CORDS

XI

Spinal accessory

MOTOR

MOVEMENT OF HEAD & SHOULDER

XII

Hypoglossal

MOTOR

POSITION OF TOUNGE