Nr 603Week 1 Dizziness question with correct answer .

Nr 603-Week 1- Dizziness question
with correct answer

What are the three classes of dizziness - correct answer-vertigo
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presyncope



syncope



What is vertigo? - correct answer-the illusion of movement either of oneself or the environment
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Peripheral causes of vertigo - correct answer-BPPV
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vestibular neuronitis H




acute labyrinthitis
H




Meniere's Disease H




head trauma
H




Central causes of vertigo - correct answer-brainstem or cerebellar ischemia or hemorrhage
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tumors



multiple sclerosis
H H

, migrainous syndrome H




Presyncopal lightheaddedness is often referred to as - correct answer-
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a sense of wooziness or impending faint
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Cardiac conditions associated with lightheaddedness or syncope include - correct answer-arrythmias
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sick sinus syndrome
H H




mitral valve prolapse
H H




aortic stenosis
H




heart block H




What is vertigo caused by? - correct answer-
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an imbalance in the vestibular system that may result from lesions in the inner ear, vestibular nerve, brai
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nstem or cerebellum
H H




lightheadedness or presyncope or syncope is most commonly a result of a... - correct answer-
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cardiovascular problem H




causes of lightheadedness, syncope or presyncope include - correct answer-orthostatic hypotension
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vasovagal episodes H




hyperventilation



decreased cardiac output H H