This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'One of the following is not true of Ponderal index - \nSelect and explain. \nA. It is measure of obesity, B. Is height & weight independent, C. Is height & weight dependent, D. Age independent', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ponderal index= height / cube root of body weight. Ref- Park&;s textbook of Preventive and Social Medicine 24th edition.', 'role': 'assistant'}]