Vascular imaging: practice question

A Radiology 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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Radiology · Vascular imaging

Sample item

Which imaging test is commonly used to demonstrate pulmonary arterial emboli in a stable patient when not contraindicated?

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

The answer and the reasoning

C. CT pulmonary angiography

CT pulmonary angiography uses timed iodinated contrast to opacify pulmonary arteries and can demonstrate filling defects from emboli; suitability depends on clinical probability, renal function, contrast risk, and local pathways.

Option by option

  • A. Plain abdominal radiography

    Abdominal radiography cannot demonstrate pulmonary arterial filling defects.

  • B. DEXA scanning

    DEXA measures bone density rather than pulmonary vascular emboli.

  • C. CT pulmonary angiography (correct)

    Correct: CTPA is a common diagnostic study for pulmonary arterial emboli.

  • D. Non-contrast skull CT only

    Skull CT does not evaluate the pulmonary arteries.

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 Radiology question

What is the answer to this Radiology question?

The best answer is C, CT pulmonary angiography. CT pulmonary angiography uses timed iodinated contrast to opacify pulmonary arteries and can demonstrate filling defects from emboli; suitability depends on clinical probability, renal function, contrast risk, and local pathways.

Why is "Plain abdominal radiography" not the answer?

Abdominal radiography cannot demonstrate pulmonary arterial filling defects.

Why is "DEXA scanning" not the answer?

DEXA measures bone density rather than pulmonary vascular emboli.

Why is "Non-contrast skull CT only" not the answer?

Skull CT does not evaluate the pulmonary arteries.

What concept does this question test?

It tests Vascular imaging in Radiology. The correct option holds because: Correct: CTPA is a common diagnostic study for pulmonary arterial emboli.

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 Vascular imaging?

Learn signs with the image, and the disease they point to. Then use the flashcards and the other Radiology 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.