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17 Cards in this Set
- Front
- Back
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CN I - Olfactory
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Sensory - smell
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CN II - Optic
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Sensory - see
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CN III - Occulomotor
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Motor - move the eyelid and eyeball (4 muscles) and parasympathetic --> pupil constriction
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CN IV - Trochlear
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Motor - move eyeball, smallest CN, only one to come from dorsal, moves one muscle (superior oblique, pulley)
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CN V - Trigeminal
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Both - motor --> muscles of mastication, sensory --> facial sensation
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CN VI - Abducens
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Motor - abducts the eyeball (lateral rectus)
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CN VII - Facial
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Both - motor --> facial expressions and parasympathetic (lacrimal tears and saliva), sensory --> anterior 2/3rd of tongue
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CN VIII - Vestibulocochlear
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Sensory --> equilibrium and audition (hearing)
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CN IX - Glossopharyngeal
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Both --> motor - swallowing and parasymp (parotid gland saliva), sensory --> posterior 1/3 taste
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CN X - Vagus
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Both --> motor - swallowing and vocalization and parasymp (visceral organs), sensory --> visceral sensation and taste
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CN XI - Accessory
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Motor --> head movements (sternocleidomastoid and trapexius)
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CN XII - Hypoglossal
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Motor --> tongue movement
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Phrenic nerve
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In the cervical area, innervates the diaphragm (breathing!)
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Brachial plexus
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Innervates shoulder and arms
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Lumbar plexus
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Femoral nerve supplies the anterior thigh and obturator nerve supplies the medial thigh
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Sacral plexus
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Supplies buttocks, lower limb, and pelvis regions
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Sciatic nerve
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Largest in the body, innervates all of lower limb (except anterior and medial thigh)
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