This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lipids, Subject name: Biochemistry
[{'content': "Rothera's test used for detection of: \nSelect and explain. \nA. Proteins, B. Glucose, C. Fatty acid, D. Ketones", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. D. KetonesTest for Ketone BodiesGerhardts ferric chloride Test--Detect acetoacetateRotheras Nitroprusside test--Detect acetoacetate and acetoneNone of the above tests detect beta hydroxy butyrateName of the testCompound detectedRothera's testKetone bodies, Branched chain ketoacidsHay's testBile saltLiebermann Burchard reactionCholesterolSalkowski's reactionCholesterol", 'role': 'assistant'}]