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Vestib and CN


Tinnitus is a symptom with which vestibular disorder? Peripheral vertigo
Menieres would be an example of central or peripheral vertigo? Peripheral
Central or peripheral vertigo presents with autonomic symptoms? Peripheral - pallor, sweating, n/v
diplopia and hemianopsia are symptoms associated with what type of vertigo? central - along with other neurological symptoms (dysarthria, ataxia, weakness and numbness)
Migraine is an example of central or peripheral vertigo? Central
Give 4 examples of pathologies associated with central vertigo Migraines, MS, trauma/tumor, cerebellar degeneration
Give 4 examples of pathologies associated with peripheral vertigo BBPV, Menieres, trauma/tumor, DM
Visual fixation inhibits nystagmus and verigo with what type of vestibular disorder? Peripheral
Corneal Reflex CN 5 (trigeminal) and 7 (facial) 5 = sensory, 7 = motor normal response: blink when cornea is touched with a cotton ball
Gag Reflex CN 9 (glossopharyngeal) and 10 (vagus)
Uvula deviation CN 9 (glossopharyngeal)
How do you test for facial cranial nerve? anterior 2/3 taste, facial expression muscles
CN 9 testing Glossopharyngeal - taste on posterior 1/3 of tongue, Uvula deviation and Gag reflex
CN 8 testing Vestibulochoclear - Acoustic testing, Weber test with tuning fork
CN 10 testing Vagus - Gag reflex. Parasympatheric motor fibers: HR, sweating, speech
CN 12 Hypoglosal - tongue protruision (deviates away from lesion)
CN 11 Spinal Accessory - UT MMT
CN 3 Oculomotor - all eye movements except ABD (CN6) and down and in (CN4). Pupil constriction, raise eye lid
Pupil Reflex CN 2 and 3. Shine a light into one eye (block with your hand). Ipsilateral pupil should constrict followed by contralateral
What CN is affected if only the ipsilateral pupil constricts during pupillary reflex testing? CN 3 - oculomotor
What CN is affected if neither pupil constricts during pupillary reflex testing? CN 2 - optic
CN 4 Trochlear - down and in: superior oblique (LR6SO4)
CN 6 Abducens: eye ABD: lateral rectus (LR6SO4)
CN 2 optic - visual acuity (eye chart)
What is visual extinction and what CN is being tested? CN 2 (optic), pt can only detect the finger when it is presented simultaneously with the other, they will not be able to detect it when it is presented alone.
CN 5 Trigeminal - Sensory of face and motor for temporalis and masseter
V1 opthalamic sensation
V2 Maxillary sensation
V3 Mandible sensation
Created by: leaderjenna



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