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': 'Protein quality assessment is best done by – \nSelect and explain. \nA. NPU, B. Biological value, C. Digestibillity coefficient, D. Amino acid score', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Net protein utilization is considered to be most practile because it is the product of biological value and digestibility coefficient divided by 100.', 'role': 'assistant'}]