Magnetic resonance 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 · Magnetic resonance imaging

Sample item

Why is kidney function considered before some gadolinium-enhanced MRI examinations?

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

The answer and the reasoning

B. Severe renal impairment increases risk from certain contrast agents

In severe renal impairment, some gadolinium-based contrast agents require special caution because of the rare risk of nephrogenic systemic fibrosis; agent selection and indication should follow current local policy.

Option by option

  • A. Gadolinium always causes kidney stones

    Gadolinium does not invariably cause renal stones.

  • B. Severe renal impairment increases risk from certain contrast agents (correct)

    Correct: severe renal dysfunction affects gadolinium contrast risk assessment.

  • C. MRI contrast is radioactive

    MRI contrast agents are not radioactive tracers in standard MRI.

  • D. Kidney function determines magnetic field strength

    Scanner magnetic field strength is not selected from kidney 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, Severe renal impairment increases risk from certain contrast agents. In severe renal impairment, some gadolinium-based contrast agents require special caution because of the rare risk of nephrogenic systemic fibrosis; agent selection and indication should follow current local policy.

Why is "Gadolinium always causes kidney stones" not the answer?

Gadolinium does not invariably cause renal stones.

Why is "MRI contrast is radioactive" not the answer?

MRI contrast agents are not radioactive tracers in standard MRI.

Why is "Kidney function determines magnetic field strength" not the answer?

Scanner magnetic field strength is not selected from kidney function.

What concept does this question test?

It tests Magnetic resonance imaging in Radiology. The correct option holds because: Correct: severe renal dysfunction affects gadolinium contrast risk assessment.

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 Magnetic resonance 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.