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Cranial Nerves 7-12 Word Scramble

 
 


 

 
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Cranial Nerve Type Innervates Fxns Origin Exits Skull tests for lesion
7- Facial Nervemixed and parasympatheticfacial muscles, middle ear, oral cavity, platysma, stylohyoid, posterior belly digastricmotor- facial expressions, inner ear. sensory- taste (ant 2/3 tongue). parasym- salivates (submandibular & sublingual glands), mucus secreting, tears (lacrimal gland)ponsinternal auditory meatus, stylomastoid foramen, petrotympanic fissure/ PCFcannot taste/ cannot cry
8- Vestibulocochlearsensoryinner earhearing, linear acceleration (gravity), angular acceleration (head turning)ponsInternal Auditory Meatus/ PCFcannot hear
9- Glossopharyngealmixed and parasympatheticpharynx, neck, tonguemotor- 1 muscle for swallowing. sensory- taste and somatic sensation for post. 1/3 tongue, pharynx, tonsils, sensory to carotid body and sinus. parasymp- salivate (parotid gland)medullajugular foramen/ PCFgag reflex
10- Vagusmixed and parasympatheticneck, pharynx, larynx, GI tract, palatemotor- palate, pharynx, larynx. sensory- larynx and GI. parasymp- smooth muscle of GI and gutmedullajugular foramen/ PCFcannot swallow/ cannot speak
11- Accessorymotortrapezius, sternocleidomastoidscapular movement, neck flexion and rotationmedullajugular foramen/ PCFcannot elevate/ retract scapula
12- Hypoglossalmotorall intrinsic and 3 of 4 extrinsic tongue musclestongue movementmedullahypoglassal canal/ PCFcannot protrude tongue