Cranial nerves and their functions

Olfactory

CN I

Optic

CN II

Oculomotor

CN III

Trochlea

CN IV

Trigeminal

CN V

Abducens

CN VI

Facial

CN VII

Vestibulocochlear

CN VIII

Glossopharyngeal

CN IX

Vagus

CN X

Accessory

CN XI

Hypoglossal

CN XII

Smell

Olfactory nerve - Sensory Function

Vision

Optic nerve - Sensory Function

Motors superior rectus, inferior rectus, medial rectus, inferior oblique, and levator palpebrae superioris

Oculomotor nerve - Somatic Motor Function

Pupil constriction and thickens optic lens

Oculomotor nerve - Parasympathetic Motor Function

Motors superior oblique

Trochlear nerve - Somatic Motor Function

Touch, temperature, and pain for the face (scalp, forehead, eyelids, nose, jaw, teeth, lips)

Trigeminal nerve - Sensory Function

Sensory impulses from cornea, nose, forehead, anterior scalp

Trigeminal nerve - Sensory Function (Ophthalmic branch)

Sensory impulses from palate, gums, cheeks

Trigeminal nerve - Sensory Function (Maxillary branch)

Sensory impulses from anterior two thirds of tongue, skin of chin, lower jaw, lower teeth

Trigeminal nerve - Sensory Function (Mandibular branch)

Motors muscles of mastication

Trigeminal nerve - Somatic Motor Function

Motors the lateral rectus

Abducens nerve - Somatic Motor Function

Taste from anterior two thirds of tongue

Facial nerve - Sensory Function

Motors muscles of facial expression

Facial nerve - Somatic Motor Function

Secretions from salivary and lacrimal glands

Facial nerve - Parasympathetic Motor Function

Sense of hearing and balance

Vestibulocochlear nerve - Sensory Function

Taste from posterior one third of tongue

Glossopharyngeal nerve - Sensory Function

Motors stylopharyngeus

Glossopharyngeal nerve - Somatic Motor Function

Secretions from salivary gland

Glossopharyngeal nerve - Parasympathetic Motor Function

Sensory from thoracic and abdominal organs

Vagus nerve - Sensory Function

Motors soft palate and palatoglossus for voice production

Vagus nerve - Somatic Motor Function

Innervates thoracic and abdominal internal organs

Vagus nerve - Parasympathetic Motor Function

Motors sternocleidomastoid and trapezius

Accessory nerve - Somatic Motor Function

Motors intrinsic and extrinsic tongue muscles and throat muscles

Hypoglossal nerve - Somatic Motor Function