Cranial Nerves

CN I

• olfactory

• sensory: nose/smell

CN II

• optic

• sensory: eye sight

CN III

• oculomotor

• motor: all eye muscles except those supplied by IV and VI

CN IV

• trochlear

• motor: eye movement from superior oblique muscle

CN V

• trigeminal

• sensory: face, sinuses, teeth

• motor: jaw muscles

CN VI

• abducent

• motor: eye movement from external rectus muscle

CN VII

• facial

• motor: muscles of face

intermediate

• part of CN VII (facial)

• motor: submaxillary and sublingual gland

• sensory: front of tongue and soft palate

CN VIII

• vestibulocochlear

• sensory: hearing and balance

CN IX

• glossopharyngeal

• motor: swallowing with pharyngeal musculature

• sensory: taste and sensation on back part of tongue, tonsil, and pharynx

CN X

• vagus

• motor: heart, lungs, bronchi and GI tract

• sensory: heart, lungs, bronchi, trachea, larynx, pharynx, GI tract and external ear

CN XI

• accessory

• motor: shoulder muscles

CN XII

• hypoglossal

• motor: muscles of tongue