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Textbook CE Course: Electronystagmography and Videonystagmography (ENG & VNG)

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1.  What is the fastest type of eye movement, with speed dependent on the distance the eye must travel to acquire the target (faster for objects far away and slower for objects that are close)? Pursuit Saccade Optokinetic Gaze

2.  Each of the end organs in the peripheral vestibular system sends their dendrites to the cell bodies located in which ganglion? Scarpa’s Gary’s Barany’s Zee’s

3.  Which of the following is a 25-item questionnaire designed to assess the self-perceived handicapping effects of vestibular system disorders on patients? PHQ-4 Dizziness Handicap Inventory NEO-PI Activities-specific Balance Confidence Scale

4.  Electronystagmography is the eye movement technique that involves converting the bioelectrical signal of the __________________ into an electrical form that can be collected and analyzed using a recording system This is a dipolar electrical potential that exists between the retina and cornea. Eye potential Retinal potential Lack of potential Corneoretinal potential

5.  Which of the following is a ratio of nystagmus before and after a patient fixates on a target? This calculation is an assessment of the inhibitory interaction that occurs between the midline cerebellum and the vestibular nuclei. Unilateral weakness Bilateral Weakness Directional preponderance Fixation Index