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EXAMINATION OF CRANIAL NERVES

CRANIAL NERVE SENSORY FUNCTION MOTOR FUNCTION
1 Olfactory Smells (alcohol swab, fresh burned match, or coffee).  
2 Optic Vision & visual fields (6 cardinal fields of gaze).  
3 Oculomotor   Extraocular & pupillary eye movements, lens shape.
4 Trochlear   Down & inward eye moves.
5 Trigeminal Sensation of face, scalp, cornea, oral & nasal mucosa  
6 Abducens   Lateral eye movements.
7 Facial Taste on anterior 2/3 of tongue. Facial moves, (eye closure, smile, frown, puff cheeks, raise eyebrows).
8 Acoustic Hearing & balance.  
9 Glossopharyngeal Taste posterior 1/3 of tongue, gag reflex, ear drum & ear canal sensation. Swallowing & vocal cord movement.
10 Vagus Sensations of pharynx, viscera, carotid body, carotid sinus. Swallowing & talking muscles of palate, pharynx, larynx, (makes guttural sounds).
11 Spinal   Trapezius & sternocleidomastoid movements (move head, shrug shoulders).
12 Hypoglossal   Tongue movements (protrude tongue).
      Last Updated 09/15/2007 Copyright © T. Pape 2002- 2007  All rights reserved. ATRANE home office Abilene TX

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