Ear and audiology: congenital aural atresia: 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 · Ear and audiology: congenital aural atresia

Sample item

A child has unilateral congenital atresia of the external ear canal with a normal inner ear. To decide whether canal reconstruction is worthwhile, the surgeon scores features on HRCT such as stapes, oval window, facial nerve course and mastoid pneumatisation. Which system is used?

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

The answer and the reasoning

D. Jahrsdoerfer grading

The Jahrsdoerfer grading scale awards points for CT and clinical features, and a higher score predicts better hearing gain after atresiaplasty. A score of about 7 or more is generally considered favourable.

Option by option

  • A. Fisch classification

    The Fisch classification stages glomus tumours of the temporal bone.

  • B. House-Brackmann grading

    House-Brackmann grades the severity of facial nerve weakness.

  • C. Chandler classification

    The Chandler classification stages orbital complications of sinusitis.

  • D. Jahrsdoerfer grading (correct)

    Correct. Jahrsdoerfer grading predicts the suitability and outcome of atresia surgery.

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 D, Jahrsdoerfer grading. The Jahrsdoerfer grading scale awards points for CT and clinical features, and a higher score predicts better hearing gain after atresiaplasty.

Why is "Fisch classification" not the answer?

The Fisch classification stages glomus tumours of the temporal bone.

Why is "House-Brackmann grading" not the answer?

House-Brackmann grades the severity of facial nerve weakness.

Why is "Chandler classification" not the answer?

The Chandler classification stages orbital complications of sinusitis.

What concept does this question test?

It tests Ear and audiology: congenital aural atresia in ENT. A score of about 7 or more is generally considered favourable.

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 Ear and audiology: congenital aural atresia?

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.