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': 'Which of the following is seen in Wilson disease? \nSelect and explain. \nA. High ceruloplasmin, B. Low ceruloplasmin and high urinary copper, C. Low serum copper, D. Low urinary copper', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In Wilson disease, low serum ceruloplasmin and high urinary copper seen.', 'role': 'assistant'}]