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: Forensic Medicine
[{'content': "All of the following poison's are dialyzable except- \nSelect and explain. \nA. Ethylene glycol, B. Methanol, C. Barbiturates, D. Copper sulphate", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Hemodialysis is not useful in copper sulfate poisoning. It is useful in poisoning with other three given options.', 'role': 'assistant'}]