Cardiology: practice question

A Pediatrics 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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Pediatrics · Cardiology

Sample item

What can a central cyanotic congenital heart lesion cause?

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

The answer and the reasoning

C. Low oxygen saturation

Right-to-left shunting or reduced pulmonary oxygenation in cyanotic congenital heart disease lowers arterial oxygen saturation and may cause central cyanosis.

Option by option

  • A. Increased urine output only

    Urine output alone does not define cyanotic heart disease.

  • B. Painless jaundice

    Jaundice is not the defining consequence of a cyanotic lesion.

  • C. Low oxygen saturation (correct)

    Correct: cyanotic lesions can lower arterial oxygen saturation.

  • D. High hearing threshold

    Hearing threshold is unrelated to cardiac oxygenation.

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 Pediatrics question

What is the answer to this Pediatrics question?

The best answer is C, Low oxygen saturation. Right-to-left shunting or reduced pulmonary oxygenation in cyanotic congenital heart disease lowers arterial oxygen saturation and may cause central cyanosis.

Why is "Increased urine output only" not the answer?

Urine output alone does not define cyanotic heart disease.

Why is "Painless jaundice" not the answer?

Jaundice is not the defining consequence of a cyanotic lesion.

Why is "High hearing threshold" not the answer?

Hearing threshold is unrelated to cardiac oxygenation.

What concept does this question test?

It tests Cardiology in Pediatrics. The correct option holds because: Correct: cyanotic lesions can lower arterial oxygen saturation.

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 Cardiology?

Memorise milestones and the vaccine schedule as tables and revise them often. Then use the flashcards and the other Pediatrics 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.