Vestibular disorders: videonystagmography: practice question

A ENT question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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ENT · Vestibular disorders: videonystagmography

Sample item

A clinician wants to record spontaneous and positional nystagmus without the suppressing effect of visual fixation. Which approach is used?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

C. Videonystagmography with infrared goggles in darkness

Videonystagmography records eye movements with infrared cameras while vision is denied, so peripheral nystagmus that is normally suppressed by fixation becomes visible. It is also used for caloric and positional testing. Frenzel goggles serve the same purpose at the bedside.

Option by option

  • A. Direct otoscopy with a speculum

    Otoscopy only views the drum.

  • B. Tympanometry

    Tympanometry measures drum compliance.

  • C. Videonystagmography with infrared goggles in darkness (correct)

    Correct. Removing fixation unmasks peripheral nystagmus.

  • D. Pure tone audiometry

    Audiometry measures hearing thresholds.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

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Questions about this ENT question

What is the answer to this ENT question?

The best answer is C, Videonystagmography with infrared goggles in darkness. Videonystagmography records eye movements with infrared cameras while vision is denied, so peripheral nystagmus that is normally suppressed by fixation becomes visible.

Why is "Direct otoscopy with a speculum" not the answer?

Otoscopy only views the drum.

Why is "Tympanometry" not the answer?

Tympanometry measures drum compliance.

Why is "Pure tone audiometry" not the answer?

Audiometry measures hearing thresholds.

What concept does this question test?

It tests Vestibular disorders: videonystagmography in ENT. It is also used for caloric and positional testing. Frenzel goggles serve the same purpose at the bedside.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Vestibular disorders: videonystagmography?

Learn tuning fork results and audiogram patterns by sketching them. Then use the flashcards and the other ENT questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.