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Radiology · Ultrasound
Sample itemWhat modality has no ionizing radiation?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Ultrasound
This item reviews Ultrasound; Ultrasound is the best answer because it directly matches the imaging or dental principle described.
Option by option
A. CT
CT does not fit the stated pattern.
B. Radiograph
Radiograph is unsupported by the key finding.
C. Fluoroscopy
Fluoroscopy is plausible but is not the best answer.
D. Ultrasound (correct)
Correct. Ultrasound matches the defining feature.
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.