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ICS Impulse – Revolutionizing Vestibular Assessment

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1.  What is head impulse?
  1. Side of lesion specific test (can identify which side the vestibular disorder resides on)
  2. Test that detects disorders of the vestibulo-ocular reflex (VOR)
  3. Test of peripheral vestibular loss
  4. All of the above
2.  What are overt catch-up saccades?
  1. A corrective saccadic eye movement (a “catch-up” saccade) after the head impulse that can in most cases be identified by the naked eye
  2. A corrective saccadic eye movement (a “catch-up” saccade) during the head impulse that cannot be identified by the naked eye
  3. A corrective saccadic eye movement (a “catch-up” saccade) that occurs minutes after the head impulse has ceased
  4. None of the above
3.  What are covert catch-up saccades?
  1. A corrective saccadic eye movement (a catch-up saccade) that occurs minutes after the head impulse has ceased and can in most cases be identified by the naked eye
  2. A corrective saccadic eye movement (a catch-upsaccade) during the head impulse that cannot be identified by the naked eye
  3. A corrective saccadic eye movement (a catch-up saccade) after the head impulse
  4. None of the above
4.  What is one indication of a normal response on a head impulse test?
  1. The absence of catch-up saccades
  2. The presence of catch-up saccades
  3. A low gain
  4. None of the Above
5.  What is another indication of a normal response on a head impulse test?
  1. The presence of catch-up saccades
  2. A gain close to 1 (between 0.8 and 1.2)
  3. A low gain
  4. None of the Above
6.  What is one indication of an abnormal response on a head impulse test?
  1. The absence of catch-up saccades
  2. The presence of catch-up saccades
  3. A gain close to 1 (between 0.8 and 1.2)
  4. None of the Above
7.  What is another indication of an abnormal response on a head impulse test?
  1. The absence of catch-up saccades
  2. A gain close to 1 (between 0.8 and 1.2)
  3. A low gain when comparing the head and eye velocity
  4. All of the Above
8.  What anatomical structure(s) may be affected in a patient with superior vestibular neuritis? (
  1. Utricle
  2. Superior vestibular nerve
  3. Lateral semicircular canal
  4. Anterior semicircular canal
  5. All of the Above
9.  What anatomical structure(s) may be affected in a patient with inferior vestibular neuritis?
  1. Utricle
  2. Posterior Semicircular Canal
  3. Superior vestibular nerve
  4. Lateral semicircular canal
10.  What other anatomical structure(s) may be affected in a patient with inferior vestibular neuritis?
  1. Superior vestibular nerve
  2. Inferior vestibular nerve
  3. Lateral semicircular canal
  4. Anterior semicircular canal

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