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 nutritional status for a child is - \nSelect and explain. \nA. Mid arm circumference, B. Head circumference, C. Rate of increase of height and weight, D. Chest circumference', 'role': 'user'}, {'content': "Answer: C \nExplanation: Rate of increase of height and weight is the best measure for nutritional status of a child. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. 500,501", 'role': 'assistant'}]