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': 'Programmed cell death is known as: \nSelect and explain. \nA. Cytolysis, B. Apoptosis, C. Necrosis, D. Proptosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: . Apoptosis', 'role': 'assistant'}]