This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Food Security, and Health, Subject name: Pediatrics
[{'content': 'Chronic malnutrition is measured by: \nSelect and explain. \nA. Weight/height, B. Height/age, C. Weight/age, D. Mid arm circumference', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. (b) Height/ageRef: Nelson's Pediatrics 18th ed. Ch 43The nutritional indices commonly calculated for young children are:* Weight for height - an index used to measure wasting or acute malnutrition; (WHAM)* Height for age - an index used to measure stunting or chronic malnutrition; (HA-CM)* Weight for age - an index used to measure underweight (or wasting and stunting combined). (WASW)* Mid arm circumference is a specific indicator of wasting or acute malnutrition.Remember:* Weight reflects only present health status of the child, whereas height indicates events in the past also* Most sensitive measure of physical growth- WEIGHT* Single best parameter for assessment of physical growth- WEIGHT", 'role': 'assistant'}]