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 are characteristic of Datura poisoning except - \nSelect and explain. \nA. Delirium, B. Diplopia, C. Pin-point pupils, D. Dysphagia', 'role': 'user'}, {'content': "Answer: C \nExplanation: In datura poisoning, there is dilatation of pupil (not pin point pupil).\nFeatures of datura poisoning are described as '9D':-\n\n\nDry hot skin: 'Hot as a hare'.\xa0\xa0\nDilatation of cutaneous blood\xa0vessels causing a facial flash. 'Red as a beet'.\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\nDilatation of pupil\xa0with loss accommodation\xa0and unresponsive to light\xa0(dilated and fixed pupil) :\xa0'Blind as a bat'.\nDryness of throat and mouth: 'Dry\xa0'Dry as a bone'.\nDelirium (muttering delirium) : 'Mad as a wet hen'.\nDrowsiness\nDrunken gait\nDysphagia (difficulty in swallowing).\nDifficulty in talking.", 'role': 'assistant'}]