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Vanderbilt Audiology's Journal Club: The Current Status of the Video Head Impulse Test

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1.  The head impulse test evaluates primarily what reflex?
  1. vestibulo-ocular reflex
  2. acoustic reflex
  3. acoustic jaw reflex
  4. maculo-spinal reflex
2.  In 1988, Halmagyi and Curthoys reported that patients with significant vestibular deficits would demonstrate a _______________ when the head is thrust in the direction of the impaired vestibular system.
  1. saccadic pursuit response
  2. optokinetic response
  3. catch-up saccade
  4. caloric response
3.  In the MacDougall et al., 2009 article, the investigators used a gain of less than ______ to qualify a VOR deficit.
  1. 2.05
  2. 1
  3. .68
  4. 15
4.  An __________ catch-up saccade can be detected following the head movement toward the impaired side.
  1. imperceptible
  2. overt
  3. covert
  4. none of the above
5.  A __________ catch-up saccade can be detected during the head movement toward the impaired side using a video head impulse system.
  1. impulse
  2. overt
  3. covert
  4. none of the above
6.  The catch-up saccade occurs in/the ______________direction of/as the head movement towards the impaired side.
  1. same
  2. opposite
  3. both
  4. none of the above
7.  In the MacDougall et al., 2009 report, search coil recordings and video impulse test results were _______________.
  1. significantly different
  2. essentially equivalent
  3. the two tests were not compared
  4. none of the above
8.  Preliminary evidence reported by MacDougall and Curthoys (2012) suggest that:
  1. the vHIT may not be as useful as first believed
  2. different patterns of saccadic responses may be able to predict how well patients can recover from a vestibular deficit
  3. the vHIT and the cVEMP test the same systems
  4. the vHIT is all that is needed to develop a rehabilitation protocol
9.  In the Curthoy's paper 2012, the two primary sources that can be used to evaluate the semicircular canals are:
  1. cVEMP and oVEMP
  2. cVEMP and vHIT
  3. caloric test and vHIT
  4. cVEMP and caloric test
10.  The vHIT offers what advantage over the caloric test?
  1. the vHIT tests extremely low vestibular function
  2. the vHIT can also assess the saccule
  3. the VHIT can assess the vestibule-spinal reflex
  4. the vHIT can assess the vertical semicircular canals