Cranial Nerves Study Guide

Vocabulary flashcards for all twelve cranial nerves and their corresponding functions as outlined in the study guide.

Olfactory (CN I)

Olfaction (smell)

Optic (CN II)

Vision

Oculomotor (CN III)

Motor to four of six extrinsic eye muscles; dilates the pupil, opens the eye, and changes the shape of the lens

Trochlear (CN IV)

Motor to one of six extrinsic eye muscles (superior oblique muscle)

Trigeminal (CN V)

Sensory to the face; motor to the muscles of mastication

Abducens (CN VI)

Motor to one of six extrinsic eye muscles (lateral rectus muscle)

Facial (CN VII)

Motor to the muscles of facial expression; taste to the anterior two thirds of the tongue

Vestibulocochlear (CN VIII)

Hearing and equilibrium

Glossopharyngeal (CN IX)

Motor to the muscles of swallowing; taste to the posterior one - third of the tongue

Vagus (CN X)

Motor to the muscles of swallowing and speaking; motor to the thoracic and abdominal viscera

Accessory (CN XI)

Motor to the trapezius and sternocleidomastoid muscles

Hypoglossal (CN XI)

Motor to the tongue