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: Anaesthesia
[{'content': 'In belladona poisoning, antidote is: \nSelect and explain. \nA. Physostigmine, B. Neostigmine, C. Anti histamine, D. Atropine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Physostigmine Belladona Poisoning May occur due to consumption of seeds & berries of belladona / dhatura plant Clinical presentation are due to anticholinergic effects i.e. Dry mouth, difficulty in swallowing & talking, dry skin, difficulty in micturation, dilated pupil, photophobia etc.', 'role': 'assistant'}]