Cranial Nerves- Practical 4 Study Guide

PSIO 201

Olfactory I

Sensory - Sensory information from the nose.

Optic II

Sensory - Sensory information from the eyes.

Oculomotor II

Motor - Motor information to most rectus and inferior oblique muscles for eye movement.

Trochlear IV

Motor - Motor information to superior oblique muscle to cause eye movement.

Trigeminal IV

Both - Sensory information from and motor information to the face. Motor information for chewing.

Abducens VI

Motor - Motor information to lateral rectus muscle to cause eye movement.

Facial VII

Both - Sensory information from anterior part of the tongue. Motor information to the face. 

Innervates lacrimal, salivary and other glands.

Vestibulocochlear VIII

Sensory - Sensory information from the ear for hearing and equilibrium.

Glossopharyngeal IX

Both - Sensory information from posterior part of the tongue. Motor information to tongue and throat.

Vagus X

Both - Sensory information from abdomen, thorax, neck and root of tongue. Motor information to heart, digestive organs, spleen and kidneys.

Accessory XI

Motor - Motor information for neck and shoulder movement as well as for swallowing.

Hypoglossal XII

Motor - Motor information to the tongue for speech, food manipulation, and swallowing.