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Pathology · Infarction
Sample itemWhich organ is most likely to show a pale anemic infarct after arterial occlusion?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Kidney
The kidney is a solid organ with end-arterial circulation, so arterial occlusion commonly produces a pale wedge-shaped infarct, unlike tissues with dual blood supply or loose architecture that may become haemorrhagic.
Option by option
A. Liver
The liver has a dual blood supply and differs from end-arterial kidney tissue.
B. Kidney (correct)
Correct: renal arterial occlusion classically causes pale infarction.
C. Small intestine
Intestinal infarction often becomes haemorrhagic and may involve reperfusion.
D. Lung
Lung infarcts are often haemorrhagic because of dual blood supply.
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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