This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology, Subject name: Forensic Medicine
[{'content': 'Strychnine poisoning mimics - \nSelect and explain. \nA. LSD, B. Tetanus, C. Morphine, D. Amphetamine', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Tetanus * Strychnine poisoning and tetanus both cause convulsions with muscle spasticity as both are stimulant.Difference between strychnine poisoning and tetanus TraitStrychnine poisoningTetanus(1)History:No history of injury.History of injury present.(2)Onset:SuddenGradual(3)Convulsion:All muscles of the body are affected at a timeAll muscles are not affected at a time.(4)Lower jaw:Does not start in, nor especially affect the jawUsually starts in, and especially affects lower jaw.(5)Muscular condition :Between fits muscles are completely relaxed.Between fits muscles are slightly rigid.(6)Fatal period:One to two hours.More than twenty-four hours.(7)Chemical analysis:Strychnine found.No poison found.", 'role': 'assistant'}]