This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'A 2 year old child has a weight of 6.4 kg. and has vitamin A deficiency. What is the grade of malnutrition in this child – \nSelect and explain. \nA. First degree, B. Second degree, C. Third degree, D. Fourth degree', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Normal expected weight at 2 years of age is 12 kg.\nThis child has a weight of 6.4 kg. i.e. 53.3% of the expected.\nSo, this child is having grade III(51- 61 % of expected weight) malnutrition.', 'role': 'assistant'}]