This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
The characteristic feature of apoptosis on light microscopy is 
Select and explain. 
A. Cellular swelling, B. Nuclear compaction, C. Intact cell membrane, D. Cytoplasmic eosinophlia
B: Nuclear compaction
Answer: B: Nuclear compaction 
Explanation: The nuclear chromatin is condensed or fragmented by light microscopy.(Ref: Textbook of PATHOLOGY HARSH MOHAN 6th Edition page no.48)