This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Amino acid Metabolism, Subject name: Pediatrics
[{'content': 'Nitroprusside test is done for the diagnosis of which of the following diseases? \nSelect and explain. \nA. Phenylketonuria, B. Tyrosinemia, C. Maple syrup urine disease, D. Homocystinuria', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Nitroprusside test- for Homocystinuria Ferric chloride test- for Phenylketonuria Dinitrophenylhydrazine test- for Organic acidemia/ Maple syrup urine disease', 'role': 'assistant'}]