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Pathology · Vascular pathology: atherosclerosis
Sample itemWhich event is central to formation of an atherosclerotic fatty streak?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Accumulation of lipid-laden foam cells in the intima
Fatty streaks form when monocytes enter the intima, take up modified lipoproteins, and become foam cells. Endothelial dysfunction and chronic inflammation drive plaque progression.
Option by option
A. Accumulation of lipid-laden foam cells in the intima (correct)
Correct. Intimal foam cells are the hallmark early lesion.
B. Complete absence of inflammatory cells
Inflammation is central to atherosclerosis.
C. Acute fibrinous pericarditis
Pericarditis affects the pericardial sac, not arterial intima.
D. Smooth muscle necrosis only
Smooth muscle cells later contribute to fibrous plaque formation.
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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