Rheumatology: juvenile idiopathic arthritis: 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 · Rheumatology: juvenile idiopathic arthritis

Sample item

A child has persistent swelling and limitation of a knee for more than six weeks, with no infection or trauma. What diagnosis should be considered?

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

The answer and the reasoning

C. Juvenile idiopathic arthritis

Juvenile idiopathic arthritis is chronic inflammatory arthritis beginning before age 16 and persisting at least six weeks after other causes are excluded. Uveitis screening is important in susceptible subtypes.

Option by option

  • A. Transient synovitis only

    Transient synovitis resolves sooner and usually affects the hip.

  • B. Septic arthritis by definition

    Septic arthritis is an acute emergency with systemic illness and requires exclusion, but not every chronic arthritis is septic.

  • C. Juvenile idiopathic arthritis (correct)

    Correct. Persistent unexplained inflammatory arthritis meets the key clinical threshold.

  • D. Osgood-Schlatter disease

    Osgood-Schlatter disease causes tibial-tubercle pain rather than persistent synovitis.

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 C, Juvenile idiopathic arthritis. Juvenile idiopathic arthritis is chronic inflammatory arthritis beginning before age 16 and persisting at least six weeks after other causes are excluded.

Why is "Transient synovitis only" not the answer?

Transient synovitis resolves sooner and usually affects the hip.

Why is "Septic arthritis by definition" not the answer?

Septic arthritis is an acute emergency with systemic illness and requires exclusion, but not every chronic arthritis is septic.

Why is "Osgood-Schlatter disease" not the answer?

Osgood-Schlatter disease causes tibial-tubercle pain rather than persistent synovitis.

What concept does this question test?

It tests Rheumatology: juvenile idiopathic arthritis in Pediatrics. Uveitis screening is important in susceptible subtypes.

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 Rheumatology: juvenile idiopathic arthritis?

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.