Cranial Nerves 7 to 12

Hide All  Show All  Shuffle    Help   Cranial Nerve Type Innervates Fxns Origin Exits Skull tests for lesion 7- Facial Nerve   mixed and parasympathetic   facial muscles, middle ear, oral cavity, platysma, stylohyoid, posterior belly digastric   motor- facial expressions, inner ear. sensory- taste (ant 2/3 tongue). parasym- salivates (submandibular & sublingual glands), mucus secreting, tears (lacrimal gland)   pons   internal auditory meatus, stylomastoid foramen, petrotympanic fissure/ PCF   cannot taste/ cannot cry   8- Vestibulocochlear   sensory   inner ear   hearing, linear acceleration (gravity), angular acceleration (head turning)   pons   Internal Auditory Meatus/ PCF   cannot hear   9- Glossopharyngeal   mixed and parasympathetic   pharynx, neck, tongue   motor- 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)   medulla   jugular foramen/ PCF   gag reflex   10- Vagus   mixed and parasympathetic   neck, pharynx, larynx, GI tract, palate   motor- palate, pharynx, larynx. sensory- larynx and GI. parasymp- smooth muscle of GI and gut   medulla   jugular foramen/ PCF   cannot swallow/ cannot speak   11- Accessory   motor   trapezius, sternocleidomastoid   scapular movement, neck flexion and rotation   medulla   jugular foramen/ PCF   cannot elevate/ retract scapula   12- Hypoglossal   motor   all intrinsic and 3 of 4 extrinsic tongue muscles   tongue movement   medulla   hypoglassal canal/ PCF   cannot protrude tongue   Hide All  Show All  Shuffle Notes Flashcards StudyStack Study Table Matching Hangman Crossword Unscramble Type In Bug Match Targets Export Print Edit Email Hmm...