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Radiology · Magnetic resonance imaging
Sample itemWhat is a major imaging advantage of MRI compared with CT for many soft-tissue questions?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Excellent soft-tissue contrast without ionizing radiation
MRI provides high soft-tissue contrast and does not use ionizing radiation, but acquisition can be slower and implanted devices or metallic foreign bodies require careful safety screening.
Option by option
A. Faster scan time in every emergency
MRI is not faster than CT in every emergency situation.
B. Direct measurement of bone mineral density
Bone mineral density is usually measured with DEXA rather than routine MRI.
C. Universal safety with all implanted devices
Some implants or metallic objects may be unsafe or require protocol review.
D. Excellent soft-tissue contrast without ionizing radiation (correct)
Correct: MRI excels at soft tissue contrast and avoids ionizing radiation.
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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