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
A Protein estimation test is confused with: 
Select and explain. 
A. Phosphates, B. Nitrates, C. Sulphates, D. Bile salts
A: Phosphates
Answer: A: Phosphates 
Explanation: A i.e. PhosphatesA protein estimation test is confused with phosphates Q- as presence of phosphate give false positive test