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': 'Height in cms by cube root of body weight is known as: \nSelect and explain. \nA. Quetlet index, B. Brocas index, C. Ponderal index, D. Corpulence index', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ponderal index', 'role': 'assistant'}]