Monitoring and anaesthesia workstation: curriculum recognition: 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 and anaesthesia workstation: curriculum recognition

Sample item

A catheter is placed through the internal jugular vein with its tip in the lower superior vena cava and connected to a transducer zeroed at the level of the right atrium, to estimate right heart filling and guide fluid therapy. Which monitoring is this?

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

The answer and the reasoning

D. Central venous pressure monitoring

A catheter at the cavoatrial junction measures right atrial pressure, an estimate of right ventricular preload. Waveform and trend are more useful than an isolated reading. Pulmonary artery catheters estimate left-sided filling.

Option by option

  • A. Pulmonary artery occlusion pressure monitoring

    Occlusion pressure needs a balloon-tipped catheter wedged in a pulmonary artery.

  • B. Non-invasive oscillometric monitoring

    Oscillometric monitoring is a cuff-based non-invasive method.

  • C. Invasive arterial pressure monitoring

    Arterial monitoring uses a peripheral arterial cannula to record systemic pressure.

  • D. Central venous pressure monitoring (correct)

    Correct. A caval catheter transduced at the right atrium measures right-sided filling pressure.

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 Anaesthesia question

What is the answer to this Anaesthesia question?

The best answer is D, Central venous pressure monitoring. A catheter at the cavoatrial junction measures right atrial pressure, an estimate of right ventricular preload.

Why is "Pulmonary artery occlusion pressure monitoring" not the answer?

Occlusion pressure needs a balloon-tipped catheter wedged in a pulmonary artery.

Why is "Non-invasive oscillometric monitoring" not the answer?

Oscillometric monitoring is a cuff-based non-invasive method.

Why is "Invasive arterial pressure monitoring" not the answer?

Arterial monitoring uses a peripheral arterial cannula to record systemic pressure.

What concept does this question test?

It tests Monitoring and anaesthesia workstation: curriculum recognition in Anaesthesia. Waveform and trend are more useful than an isolated reading. Pulmonary artery catheters estimate left-sided filling.

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 and anaesthesia workstation: curriculum recognition?

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.