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Radiology · Nuclear medicine
Sample itemWhich study is used to assess ventilation and pulmonary perfusion mismatch?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. V/Q scan
Ventilation-perfusion scanning compares regional airflow and perfusion and can support pulmonary embolism diagnosis when CT angiography is unsuitable.
Option by option
A. DEXA scan
DEXA measures bone density.
B. V/Q scan (correct)
Correct: V/Q study compares air and blood distribution.
C. HIDA scan
HIDA examines biliary excretion.
D. MUGA scan
MUGA assesses ventricular function.
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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