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Radiology · Musculoskeletal imaging
Sample itemWhen is MRI particularly useful after knee trauma with normal radiographs?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Assessing menisci, ligaments, and occult marrow injury
MRI depicts soft tissues and bone marrow, allowing detection of cruciate ligament, meniscal, cartilage, and occult fracture-related injury missed on radiographs.
Option by option
A. Confirming a simple skin abrasion
A skin abrasion is diagnosed clinically.
B. Calculating body mass index
Body mass index uses height and weight.
C. Measuring the serum urate concentration
Serum urate is a laboratory measurement.
D. Assessing menisci, ligaments, and occult marrow injury (correct)
Correct: MRI excels at internal derangement and marrow assessment.
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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