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': "Rothera's test for detection of: \nSelect and explain. \nA. Proteins, B. lucose, C. Fatty acid, D. Ketones", 'role': 'user'}, {'content': "Answer: D \nExplanation: D i.e. KetonesRothera's - nitroprusside - pink/ purple permanganate ring test and Gerhardt's - ferric chloride - red wine color tests are used for detection of ketone bodies in urine.", 'role': 'assistant'}]