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': 'A Protein estimation test is confused with: \nSelect and explain. \nA. Phosphates, B. Nitrates, C. Sulphates, D. Bile salts', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. PhosphatesA protein estimation test is confused with phosphates Q- as presence of phosphate give false positive test', 'role': 'assistant'}]