Nephrology: UTI imaging: 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 · Nephrology: UTI imaging

Sample item

After a first febrile UTI in a 6-month-old infant, which investigation identifies vesicoureteric reflux?

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

The answer and the reasoning

B. Micturating cystourethrogram

MCU demonstrates reflux and posterior urethral valves, and is done once the infection has settled. Ultrasound of the kidney and bladder is the first imaging study. DMSA scan detects renal scarring 4 to 6 months after infection.

Option by option

  • A. Intravenous urogram

    IV urography is not used for this indication.

  • B. Micturating cystourethrogram (correct)

    Correct. MCU grades reflux.

  • C. Plain abdominal X-ray

    Plain films do not show reflux.

  • D. Serum creatinine

    Creatinine does not locate reflux.

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 B, Micturating cystourethrogram. MCU demonstrates reflux and posterior urethral valves, and is done once the infection has settled.

Why is "Intravenous urogram" not the answer?

IV urography is not used for this indication.

Why is "Plain abdominal X-ray" not the answer?

Plain films do not show reflux.

Why is "Serum creatinine" not the answer?

Creatinine does not locate reflux.

What concept does this question test?

It tests Nephrology: UTI imaging in Pediatrics. Ultrasound of the kidney and bladder is the first imaging study. DMSA scan detects renal scarring 4 to 6 months after infection.

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 Nephrology: UTI imaging?

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.