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Pathology · Cell injury
Sample itemWhat is the defining feature of necrosis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Uncontrolled cell death with membrane disruption
Necrosis is uncontrolled cell death with loss of membrane integrity and release of cellular contents, often provoking inflammation in surrounding tissue.
Option by option
A. Uncontrolled cell death with membrane disruption (correct)
Correct: membrane breakdown and inflammation characterize necrosis.
B. Programmed cell removal without inflammation
Apoptosis is regulated cell death with limited inflammation.
C. Reversible cell swelling only
Reversible swelling occurs before irreversible necrosis.
D. Normal cellular division
Cell division is proliferation, not death.
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.