Monitoring: 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 · Monitoring

Sample item

What does end-tidal carbon dioxide primarily reflect during controlled ventilation?

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

The answer and the reasoning

B. Ventilation adequacy

End-tidal carbon dioxide provides continuous information about exhaled carbon dioxide and therefore ventilation adequacy, circuit integrity, and perfusion changes.

Option by option

  • A. Renal function

    Renal function is assessed with urine output and laboratory tests.

  • B. Ventilation adequacy (correct)

    Correct: end-tidal CO2 is a continuous ventilation monitor.

  • C. Hearing function

    Hearing function is not measured by capnography.

  • D. Blood glucose

    Blood glucose needs glucose measurement.

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 Anaesthesia questions

Questions about this Anaesthesia question

What is the answer to this Anaesthesia question?

The best answer is B, Ventilation adequacy. End-tidal carbon dioxide provides continuous information about exhaled carbon dioxide and therefore ventilation adequacy, circuit integrity, and perfusion changes.

Why is "Renal function" not the answer?

Renal function is assessed with urine output and laboratory tests.

Why is "Hearing function" not the answer?

Hearing function is not measured by capnography.

Why is "Blood glucose" not the answer?

Blood glucose needs glucose measurement.

What concept does this question test?

It tests Monitoring in Anaesthesia. The correct option holds because: Correct: end-tidal CO2 is a continuous ventilation monitor.

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 Monitoring?

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.