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 continuous capnography directly monitor?

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

The answer and the reasoning

C. Exhaled carbon dioxide

Capnography displays exhaled carbon dioxide and helps confirm ventilation and tracheal tube placement while detecting apnea or circuit disconnection quickly.

Option by option

  • A. Serum potassium

    Potassium needs blood testing.

  • B. Pupil diameter

    Pupil size is assessed clinically.

  • C. Exhaled carbon dioxide (correct)

    Correct: capnography measures exhaled CO2.

  • D. Blood hemoglobin

    Hemoglobin is not measured by capnography.

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 C, Exhaled carbon dioxide. Capnography displays exhaled carbon dioxide and helps confirm ventilation and tracheal tube placement while detecting apnea or circuit disconnection quickly.

Why is "Serum potassium" not the answer?

Potassium needs blood testing.

Why is "Pupil diameter" not the answer?

Pupil size is assessed clinically.

Why is "Blood hemoglobin" not the answer?

Hemoglobin is not measured by capnography.

What concept does this question test?

It tests Monitoring in Anaesthesia. The correct option holds because: Correct: capnography measures exhaled CO2.

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.