This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Pediatrics
[{'content': 'The deficit in weight for height in a 3-year-old child indicates ____________ \nSelect and explain. \nA. Acute malnutrition, B. Chronic malnutrition, C. Concomitant acute and chronic, D. Under weight', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Low weight for height is wasting, which suggests acute malnutrition, the result of more recent food deficit or illness. Reference: GHAI Essential pediatrics, 8th edition Nutr', 'role': 'assistant'}]