This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'The characteristic feature of apoptosis on light microscopy is - \nSelect and explain. \nA. Cellular swelling, B. Nuclear compaction, C. Intact cell membrane, D. Cytoplasmic eosinophlia', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Nuclear compaction o The most characteristic feature of apoptosis is condensation of nuclear chromatin which corresponds to nuclear compaction (pyknosis) on light microscopy.", 'role': 'assistant'}]