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Radiology · Genitourinary imaging
Sample itemWhat modality is useful as an initial test for suspected hydronephrosis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Renal ultrasound
The central Genitourinary imaging principle supports Renal ultrasound; it is the answer that most directly explains the image finding, modality choice, or oral-health feature described.
Option by option
A. Renal ultrasound (correct)
Correct. Renal ultrasound best matches the key information in this scenario.
B. Skull radiograph
Skull radiograph does not fit the stated genitourinary imaging context.
C. Mammogram
Mammogram may be used elsewhere but is not the strongest answer here.
D. Fluoroscopy of larynx
Fluoroscopy of larynx is not supported by the imaging or dental clue provided.
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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