This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and Health, Subject name: Social & Preventive Medicine
[{'content': 'All are true about severe malnutrition EXCEPT: \nSelect and explain. \nA. < 3SD from mean weight for height, B. <2 SD from mean weight for height, C. Oedema with malnutrition weight for height, D. < 70% weight for height', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Am: b (<2SD from mean weight for height)Ref: IAP guidelines on hospital based management of severely malnourished childrenSevere malnutrition is defined as the presence of severe wasting (< 70% weight for height or <3SD and/ or oedema. Criteria associated with increased risk of mortality* Weight for height <70% NCHS median or <_ 3SD* Visible severe wasting* Bipedal oedema* MUAC < 11 cm', 'role': 'assistant'}]