This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NCDs: CHD, HTN, DM, RF, Cancers, Obesity, Blindness, Subject name: Social & Preventive Medicine
[{'content': 'Height independent obesity index: \nSelect and explain. \nA. Corpulence index, B. Quetlet index, C. Brocca index, D. Ponderal index', 'role': 'user'}, {'content': 'Answer: A \nExplanation: - So, Corpulence Index is "Height independent " index of obesity; cutoff <= 1.2. Other indices depend on height: Broca\'s index =Ht -100', 'role': 'assistant'}]