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': 'Which of the following is not a parameter for the WHO classification of malnutrition: \nSelect and explain. \nA. Symmetrical edema, B. Weight for height, C. Weight for age, D. Height for age', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Weight-for-age is not a parameter for the WHO classification of malnutrition. It has limited clinical significance as it does not differentiate between wasting and stunting. WHO Classification Parameter Moderate malnutrition Severe malnutrition Symmetrical edema no yes Weight/height (wasting) <-2SD to >-3SD (70 to 79% of expected) <-3SD (<70%) Height/age (Stunting) <-2SD to > -3SD (85 ot 89%) < -3SD (<85%) Ref: Nelson textbook of pediatrics 21st edition Chapter 57', 'role': 'assistant'}]