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PTA CN's

PTA Cranial Nerve

TermDefinition
Cranial Nerve I Olfactory Nerve; sense of smell; cerebral hemisphere
Cranial Nerve II Optic Nerve; sense of vision; cerebral hemisphere
Cranial Nerve III Occulomotor Nerve; eye movement and pupil constriction; mid brain
Cranial Nerve IV Trochlear Nerve; eye movement; mid brain
Cranial Nerve V Trigeminal Nerve; somatosensory info (touch and pain) from face and head; mm's of chewing; Pons
Cranial Nerve VI Abducens; eye movement; Pons
Cranial Nerve VII Facial nerve; taste for anterior 2/3 of tongue; somatosensory info from ear; controls mm's of facial expression; Pons
Cranial Nerve VIII Vestibulocochlear Nerve (acoustic); hearing and balance; Pons AND Medulla
Cranial Nerve IX Glossopharyngeal; Taste for posterior 1/3 of tongue; somatosensory info from tongue, tonsil and pharynx; controls some mm's used in swallowing; Medulla Oblongata
Cranial Nerve X Vagus Nerve; Viscera, glands, digestion and heart rate; Medulla Oblongata
Cranial Nerve XI Spinal Accessory Nerve; mm's of head movement: trapezius; Medulla Oblongata
Cranial Nerve XII Hypoglossol Nerve; controls mm's of tongue; Medulla Oblongata
CN I Test Olfacotry; Smell Familiar Smells
CN II Test Optic; eye chart (Snellen)
CN III Test Oculomotor; up, down and medial gaze following light
CN IV Test Trochlear; down and in gaze
CN V Test Trigeminal; Corneal reflex, face sensation; clench teeth + push down on chin to separate jaw
CN VI Test Abducens; Lateral gaze
CN VII Test Facial; Close eyes tight; smile and show teeth; Whistle an dpuff cheeks; identify familiar tastes
CN VIII Test Vestibulocochlear; Hear watch tick; hearing tests; balance and coordination tests
CN IX Test Glossopharangeal; Gag reflex; ability to swallow
CN X Test Vagus; Gag reflex; ability to swallow; say "ahh"
CN XI Test Accessory; Resisted shoulder shrug
CN XII Test Hypoglossal; Tongue protrusion straight out
Created by: ashleighobrien
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