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Radiology · Vascular imaging
Sample itemWhat ultrasound maneuver is central to evaluating suspected lower-limb deep-vein thrombosis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Venous compression assessment
Normal veins usually compress with transducer pressure, whereas a vein containing acute thrombus may be noncompressible; Doppler flow assessment adds further information in the appropriate clinical setting.
Option by option
A. Counting vertebral levels
Vertebral counting is unrelated to venous thrombosis assessment.
B. Venous compression assessment (correct)
Correct: failure of venous compression is a key DVT ultrasound sign.
C. Measuring eye pressure
Eye pressure is measured by tonometry.
D. Testing hearing thresholds
Hearing thresholds are assessed with audiometry.
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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