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: Medicine
[{'content': 'Overeatment with D-penicillamine results in: \nSelect and explain. \nA. Copper toxicity in the retina, B. Sideroblastic anemia, C. Hypercoagulable state, D. Dyslipidemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hepatic siderosis is seen in patients with reduced levels of serum ceruloplasmin and non-ceruloplasmin bound copper. Overeatment with penicillamine lead to reversible sideroblastic anemia and hemosiderosis. Ref: Journal of Hepatology 2012 vol. 56 / 671-685.', 'role': 'assistant'}]