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