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': 'Kanawati index is used for- \nSelect and explain. \nA. Socioeconomic status, B. Protein energy malnutrition, C. Food fortification, D. Non-communicable disease', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Protein energy malnutrition* Kanawati index is used to classify protein energy malnutrition (PEM).Kanawati index =Mid arm circumference--------------------Head circumference* Normal value is 0-331. Values between 0-310 - 0-280 indicate mild PEM, values between 0-279 - 0-250 indicate moderate PEM and values less than 0-250 indicate severe PEM.", 'role': 'assistant'}]