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': 'Least useful treatment of local anaesthetic induced convulsions – \nSelect and explain. \nA. Phenytoin, B. Thiopentone, C. Midazolam, D. Propofol', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Drugs used for LA induced seizure :- Benzodiazepines (midazolam), Barbiturates (thiopentone), Propofol.', 'role': 'assistant'}]