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Pathologic nystagmus: Quiz


Question 1: It is characterized by alternating smooth pursuit in one direction and ________ in the other direction.
SaccadePhysiologic nystagmusEye movement (sensory)Retina

Question 2: ________ [5]
Ménière's diseaseBenign paroxysmal positional vertigoVertigo (medical)Labyrinthitis

Question 3: Vestibular Pathology (Ménière's disease, SCDS (superior canal dehiscence syndrome), ________, Labyrinthitis)
Benign paroxysmal positional vertigoOtosclerosisVertigo (medical)Balance disorder

Question 4: [3] An example of disease state in which this occurs is ________ (BPPV).
Benign paroxysmal positional vertigoMénière's diseaseVertigo (medical)Labyrinthitis

Question 5: Also, many ________ people have nystagmus, which is one reason that some wear dark glasses.
AmblyopiaAmaurosis fugaxBlindnessMyopia

Question 6: In 1980, researchers discovered that a drug called ________ could effectively stop periodic alternating nystagmus.

Question 7: Pathological nystagmus is the result of damage to one or more components of the vestibular system, including the semicircular canals, ________ organs, and the vestibulocerebellum.
Inner earOtolithRound windowBasilar membrane

Question 8: If the pathologic nystagmus is based in the ________ (CNS), such as with a cerebellar problem, the nystagmus can be in any direction including horizontal.
NeuronCentral nervous systemWhite matterGrey matter

Question 9: ________ (the most common cause in older people)
Cerebral venous sinus thrombosisCerebral aneurysmSubarachnoid hemorrhageStroke

Question 10: Ménière's disease and other ________
Balance disorderVertigo (medical)TinnitusBenign paroxysmal positional vertigo

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