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': 'CSF test is required in: March 2010 \nSelect and explain. \nA. Morphine poisoning, B. Organophosphorous poisoning, C. Alcohol poisoning, D. Arsenic poisoning', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Alcohol poisoning Structures preserved in poisoning of: Brain: opiates, organophosphorous, alkaloids, cyanide, strychnine, barbiturates anaesthetics etc Spinal cord: strychnine and gelsemium CSF: Alcohol Bone: Arsenic, antimony, thallium', 'role': 'assistant'}]