Nuclear medicine: 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 · Nuclear medicine

Sample item

Which study is used to assess ventilation and pulmonary perfusion mismatch?

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

The answer and the reasoning

B. V/Q scan

Ventilation-perfusion scanning compares regional airflow and perfusion and can support pulmonary embolism diagnosis when CT angiography is unsuitable.

Option by option

  • A. DEXA scan

    DEXA measures bone density.

  • B. V/Q scan (correct)

    Correct: V/Q study compares air and blood distribution.

  • C. HIDA scan

    HIDA examines biliary excretion.

  • D. MUGA scan

    MUGA assesses ventricular function.

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 B, V/Q scan. Ventilation-perfusion scanning compares regional airflow and perfusion and can support pulmonary embolism diagnosis when CT angiography is unsuitable.

Why is "DEXA scan" not the answer?

DEXA measures bone density.

Why is "HIDA scan" not the answer?

HIDA examines biliary excretion.

Why is "MUGA scan" not the answer?

MUGA assesses ventricular function.

What concept does this question test?

It tests Nuclear medicine in Radiology. The correct option holds because: Correct: V/Q study compares air and blood distribution.

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 Nuclear medicine?

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.