This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 3, Subject name: Forensic Medicine
[{'content': 'Tensilon test is used for? \nSelect and explain. \nA. Botulism, B. Arsenic, C. Iron, D. Phenol', 'role': 'user'}, {'content': 'Answer: A \nExplanation: TENSILON TEST : edrophonium is used to differentiate botulism from myasthenia gravis. Botulism Tensilon test Arsenic Marsh Test Iron Desferrioxamine colour test Phenol Ferric chloride test', 'role': 'assistant'}]