This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: obstetrics,pediatrics and geriatrics, Subject name: Social & Preventive Medicine
[{'content': 'Best indicator for growth measurement is - \nSelect and explain. \nA. Height, B. Weight in microgram, C. Arm circumference, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Weight is the most sensitive measure of growth. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 502", 'role': 'assistant'}]