Critical care: weaning: practice question

A Anaesthesia 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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Anaesthesia · Critical care: weaning

Sample item

A rapid shallow breathing index (respiratory rate divided by tidal volume in litres) below which value predicts successful weaning?

A200B250C300D105

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

The answer and the reasoning

D. 105

An RSBI under 105 breaths per minute per litre predicts successful extubation, and values over 105 predict failure. It is measured during a short spontaneous breathing trial.

Option by option

A. 200
200 predicts failure.
B. 250
250 predicts failure.
C. 300
300 predicts failure.
D. 105 (correct)
Correct. Under 105 predicts success.

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.

Questions about this Anaesthesia question

What is the answer to this Anaesthesia question?

The best answer is D, 105. An RSBI under 105 breaths per minute per litre predicts successful extubation, and values over 105 predict failure.

Why is "200" not the answer?

200 predicts failure.

Why is "250" not the answer?

250 predicts failure.

Why is "300" not the answer?

300 predicts failure.

What concept does this question test?

It tests Critical care: weaning in Anaesthesia. It is measured during a short spontaneous breathing trial.

How hard is this question?

We tag it as a multi-step question: it asks you to combine more than one idea. 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 Critical care: weaning?

Make a table of each agent, its key advantage and its main side effect. Then use the flashcards and the other Anaesthesia 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.