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: Pediatrics
[{'content': 'In phenylketonuria FeC13 test with urine gives ...............color- \nSelect and explain. \nA. Green, B. Blue, C. Red, D. Purple', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., GreenDiagnosis o Elevated phenylalanine levelso Elevated blood tyrosine levelo Presence of urinary metabolites of phenylalanineo Guthrie's Test It detects the presence of phenylalanine in serumo FeCI, --> It detects the presence of phenylalanine in urine. FeCl3 is added to patients urine. If it contains phenylalanine, it will turn green.o 2-4 Dinitrophenol hydrazine --> gives yellow precipitate with old urine.", 'role': 'assistant'}]