Spontaneous Nystagmus Test Procedure
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Questions and Answers

During the PAST-POINTING AND FALLING PROCEDURE, if a patient cannot elicit the procedure with eyes closed, it indicates a lesion in which part of the vestibular system?

  • Otolith organs
  • Cochlea
  • Semicircular canals
  • Utricle and saccule (correct)
  • If a patient with uncompensated lesion of the peripheral vestibular system deviates to the affected side during the PAST-POINTING AND FALLING PROCEDURE, what other phenomenon is typically observed?

  • No nystagmus is observed
  • Spontaneous nystagmus in the opposite direction
  • Pendular nystagmus in the affected side
  • Central vestibular nystagmus in the same direction (correct)
  • Which type of nystagmus is typically observed when performing the PAST-POINTING AND FALLING PROCEDURE with eyes closed?

  • Pendular nystagmus
  • Central vestibular nystagmus
  • No nystagmus is observed
  • Peripheral vestibular nystagmus (correct)
  • In patients with an uncompensated lesion of the peripheral vestibular system, what direction does the slow component of nystagmus usually occur during the PAST-POINTING AND FALLING PROCEDURE?

    <p>Same as past-pointing</p> Signup and view all the answers

    During the Spontaneous Nystagmus Test, if nystagmus is observed in the absence of any provocative maneuvers, what type of nystagmus is typically suspected?

    <p>Central vestibular nystagmus</p> Signup and view all the answers

    When performing the Positional Test, if nystagmus is elicited by changing head positions, what type of nystagmus is typically considered?

    <p>Peripheral vestibular nystagmus</p> Signup and view all the answers

    If a patient's past-pointing and falling are towards the right side during the procedure, which side is most likely affected by the lesion in their peripheral vestibular system?

    <p>Left side</p> Signup and view all the answers

    In patients with a lesion in the central vestibular system, what difference in nystagmus pattern might be expected compared to those with a peripheral vestibular lesion?

    <p>Nystagmus is unidirectional and more intense</p> Signup and view all the answers

    During the Spontaneous Nystagmus Test, if nystagmus is observed in the absence of any provocative maneuvers, what type of nystagmus is typically suspected?

    <p>Pendular nystagmus</p> Signup and view all the answers

    In patients with a lesion in the central vestibular system, what difference in nystagmus pattern might be expected compared to those with a peripheral vestibular lesion?

    <p>Nystagmus unaffected by head position changes</p> Signup and view all the answers

    If a patient with an uncompensated lesion of the peripheral vestibular system deviates to the affected side during the PAST-POINTING AND FALLING PROCEDURE, what other phenomenon is typically observed?

    <p>Pendular nystagmus</p> Signup and view all the answers

    Which type of nystagmus is typically associated with the Slow component of nystagmus in the PAST-POINTING AND FALLING PROCEDURE?

    <p>Peripheral vestibular nystagmus</p> Signup and view all the answers

    When performing the Positional Test, if nystagmus is elicited by changing head positions, what type of nystagmus is typically considered?

    <p>Central vestibular nystagmus</p> Signup and view all the answers

    During the PAST-POINTING AND FALLING PROCEDURE, if a patient cannot elicit the procedure with eyes closed, it indicates a lesion in which part of the vestibular system?

    <p>Central vestibular system</p> Signup and view all the answers

    If a patient's past-pointing and falling are towards the left side during the PAST-POINTING AND FALLING PROCEDURE, which side is most likely affected by the lesion in their peripheral vestibular system?

    <p>The right side</p> Signup and view all the answers

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