Nuclear medicine: PET-CT: 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: PET-CT

Sample item

What does fluorodeoxyglucose PET primarily demonstrate in many cancers?

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

The answer and the reasoning

D. Increased glucose metabolism

FDG PET highlights tissues with increased glucose uptake and metabolism, which is useful for staging many malignancies and assessing treatment response. Inflammation can also be FDG avid.

Option by option

  • A. Airway resistance

    Airway resistance is assessed physiologically.

  • B. Bone mineral density only

    Bone density is measured by DEXA.

  • C. Direct bacterial culture

    Cultures require microbiologic specimens.

  • D. Increased glucose metabolism (correct)

    Correct. FDG is a glucose analog used to image metabolic activity.

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 D, Increased glucose metabolism. FDG PET highlights tissues with increased glucose uptake and metabolism, which is useful for staging many malignancies and assessing treatment response.

Why is "Airway resistance" not the answer?

Airway resistance is assessed physiologically.

Why is "Bone mineral density only" not the answer?

Bone density is measured by DEXA.

Why is "Direct bacterial culture" not the answer?

Cultures require microbiologic specimens.

What concept does this question test?

It tests Nuclear medicine: PET-CT in Radiology. Inflammation can also be FDG avid.

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: PET-CT?

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.