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Pathology · Embolism
Sample itemWhat is common source of pulmonary embolus?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. DVT
This item reviews Embolism; DVT is the best answer because it directly matches the biochemical or pathological mechanism described.
Option by option
A. DVT (correct)
Correct. DVT fits the defining feature.
B. Portal vein
Portal vein is plausible but not the best answer.
C. Coronary artery
Coronary artery is unsupported by the key finding.
D. Carotid artery
Carotid artery does not fit the stated mechanism.
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.