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: Biochemistry
[{'content': 'Quantity of Hb catabolised every day in a normal adult: \nSelect and explain. \nA. 8 gm, B. 10 gm, C. 12 gm, D. 13.3 gm', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 8 gm', 'role': 'assistant'}]