This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Dialysis patients are prone to develop \nSelect and explain. \nA. Iron toxicity, B. Lead toxicity, C. Zinc toxicity, D. Aluminium toxicity', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Can lead to anemia, osteopenia, demetia.', 'role': 'assistant'}]