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Cranial Nerves

smell CN I
sight CN II
muscle to levator palpebrae III
sphincter papillae (light reflex) III
ciliary muscle (lens focusing) III
superior oblique eye muscle IV
muscle of mastication mainly V, but also XII
sensory of face V
superior rectus, medial rectus, inferior rectus, inferior oblique III
lateral rectus muscle of eye VI
lesion can cause double vision VI
lesion can cause medial deviation of eye VI
facial expression VII
stapedius muscle (sound dampening) VII
lesion can cause facial paralysis VII
lesion can cause hyperacusis VII
mcous to hard/soft palate VII
lacrimal glands VII
salivayr glands VII
mucous membbranes of nose VII
anterior 2/3 of tongue taste VII
skin of earwall of acoustic meatus VII
external tympanic membrane VII
primary auditory VIII
balance and motion VIII
elevates pharynx via stylopharyngeus IX
responsible for gag reflex IX
posterior 1/3 of tongue IX
receives info from carotid body (oxygen levels) and carotid sinus (BP) IX
lesion can produce difficulty swallowing IX AND X
lesion can cause hoarseness X
responsible for cough reflex X
base of tongue taste X
test by rotation of head XI
test by shrugging of shoulders XI
responsible for intrinsic and most extrinsic muscles of tongue (tongue movements) XII
lesion can cause problem with speech XII
innervate striated constrictor muscles of the pharynx, the palatine muscles (except for tensor veli palatini) X
intrinsic laryngeal muscles X
striated upper half of esophagus X
thoracic and abdominal viscera X
taste and sensation from epiglottis X
trachea X
bronchi X
heart X
digestive system to splenic flexure of the colon X
general (not pain) sensation from thoracic and abdominal viscera X
baroreceptors in aortic arch X
chemoreceptors in aortic body X
skin of external ear X
external auditory canal X
external surface of tympanic membrane X
sensation from larynx X
lower pharynx X
turning head side to side XI
shrugging shoulders XI
lesion sometimes affect and process of mastication XII
motor to pharyngeal arch VII
meninges of posterior cranial fossa X
enters brainstem at cerebellopontine angle VIII
Created by: adriennemar