Airway: subglottic stenosis: 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 · Airway: subglottic stenosis

Sample item

A premature infant who was ventilated for four weeks develops biphasic stridor after extubation. What is the commonest cause of acquired subglottic stenosis in children?

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

The answer and the reasoning

B. Prolonged endotracheal intubation

Prolonged intubation with an oversized tube causes pressure necrosis, scarring and stenosis at the cricoid. Cotton-Myer grading guides management. Mild disease may be dilated, and severe cases need laryngotracheal reconstruction.

Option by option

  • A. Radiotherapy

    Radiotherapy is not a common paediatric cause.

  • B. Prolonged endotracheal intubation (correct)

    Correct. Prolonged intubation is the commonest cause.

  • C. Tuberculosis

    TB is a rare cause.

  • D. Wegener's granulomatosis

    GPA is rare in infants.

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.

More ENT questions

Questions about this ENT question

What is the answer to this ENT question?

The best answer is B, Prolonged endotracheal intubation. Prolonged intubation with an oversized tube causes pressure necrosis, scarring and stenosis at the cricoid.

Why is "Radiotherapy" not the answer?

Radiotherapy is not a common paediatric cause.

Why is "Tuberculosis" not the answer?

TB is a rare cause.

Why is "Wegener's granulomatosis" not the answer?

GPA is rare in infants.

What concept does this question test?

It tests Airway: subglottic stenosis in ENT. Cotton-Myer grading guides management. Mild disease may be dilated, and severe cases need laryngotracheal reconstruction.

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 Airway: subglottic stenosis?

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.