C RANIAL N ERVES Name, Function, Assessment, Type Click here to begin.

Cranial Nerve I Click here for answer

OLFACTORY Function: Smell Assessment: Assess recognition of common smells (candy, sports drink, grass) Type: Sensory Click here to go to next slide

Cranial Nerve II Click here for answer

OPTIC Function: Visual acuity, reaction to light Assessment: Have patient focus on near and distant vision. Assess P.E.A.R.L. (Pupils Equal And Reactive to Light) with pen light. Type: Sensory Click here to go to next slide

Cranial Nerve III Click here for answer

OCULOMOTOR Function: Elevation of upper eyelid; eye adduction and downward rolling Assessment: Assess patient’s ability to move eye’s upward, downward, and medially Type: Motor Click here to go to next slide

Cranial Nerve IV Click here for answer

TROCHLEAR Function: Inferiolateral eye movement Assessment: Assess patient’s ability to move eyes downward and laterally. Type: Motor Click here to go to next slide

Cranial Nerve V Click here for answer

TRIGEMINAL Function: Muscles of mastication (chewing); facial sensation Assessment: Assess patient’s ability to bite down; touch patient on various areas of face. Type: Both Click here to go to next slide

Cranial Nerve VI Click here for answer

ABDUCENS Function: Lateral eye movement Assessment: Assess patient’s ability to move eyes laterally. Type: Motor Click here to go to next slide

Cranial Nerve VII Click here for answer

FACIAL Function: Muscles of expression; taste Assessment: Have patient make a variety of faces (smile, frown); have them taste something (sports drink). Type: Both Click here to go to next slide

Cranial Nerve VIII Click here for answer

VESTIBULOCOCHLEAR Function: Equilibrium (balance); hearing Assessment: Balance and coordination tests; rubbing or tapping fingers by ears Type: Sensory Click here to go to next slide

Cranial Nerve XI Click here for answer

GLOSSOPHARYNGEAL Function: Pharyngeal muscles (tongue movements); taste Assessment: Have patient swallow; may check gag reflex Type: Both Click here to go to next slide

Cranial Nerve X Click here for answer

VAGUS Function: Breathing, tasting, and swallowing Assessment: Have patient stick out tongue and move it around; have patient drink something (sports drink) Type: Both Click here to go to next slide

Cranial Nerve XI Click here for answer

(Spinal) ACCESSORY Function: Trapezius & sternocleidomastoid muscles Assessment: Have patient shrug shoulders and bring head to chest (neck flexion) Type: Motor Click here to go to next slide

Cranial Nerve XII Click here for answer

HYPOGLOSSAL Function: Tongue movement Assessment: Have patient stick out tongue and move it around. Type: Motor Click here to go to next slide