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: Social & Preventive Medicine
[{'content': 'Disinfectants used for blood spills- \nSelect and explain. \nA. Phenol, B. Glutaraldehyde, C. Ethanol, D. Sodium hypochlorite', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is `d' i.e., Sodium hypochlorite", 'role': 'assistant'}]