This episode breaks down a classic PYQ on apoptosis vs necrosis — a must-know concept for NEET PG, FMGE, and INICET aspirants. Learn the differences, avoid common traps, and understand the clinical relevance in under 10 minutes. Designed by a medico, for medicos.

Apoptosis vs Necrosis — PYQ Breakdown

🧪 PYQ Question

Which of the following is a feature of apoptosis but not necrosis?

A. Cell swelling

B. Inflammatory response

C. DNA fragmentation

D. Loss of membrane integrity

✅ Correct Answer: C. DNA fragmentation

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🧠 Concept Breakdown

- Apoptosis is a programmed, energy-dependent cell death — clean and non-inflammatory.

- Necrosis is accidental, uncontrolled cell death — messy and inflammatory.

- Key differences:

- Apoptosis: Cell shrinkage, chromatin condensation, DNA fragmentation, intact membrane.

- Necrosis: Cell swelling, membrane rupture, inflammation.

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⚠️ Caution for Students

- Don’t confuse cell swelling (necrosis) with cell shrinkage (apoptosis).

- Inflammation is absent in apoptosis — a common MCQ trap.

- DNA laddering is a lab clue for apoptosis.

- Image-based questions often show apoptotic bodies — small, round fragments.

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🩺 Clinical Relevance

- Apoptosis: Seen in embryogenesis, immune regulation, cancer therapy.

- Necrosis: Seen in ischemia, infections, toxins — e.g., myocardial infarction.

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