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Radiology · Urinary
Sample itemWhat study can show hydronephrosis without radiation?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Renal ultrasound
This item reviews Urinary; Renal ultrasound is the best answer because it directly matches the imaging or dental principle described.
Option by option
A. Fluoroscopy only
Fluoroscopy only is unsupported by the key finding.
B. Mammogram
Mammogram is plausible but is not the best answer.
C. Renal ultrasound (correct)
Correct. Renal ultrasound matches the defining feature.
D. CT head
CT head does not fit the stated pattern.
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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