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': 'False about local anesthetics \nSelect and explain. \nA. Prilocaine is less toxic than lignocaine, B. Lignocaine is used as an antiarrhythmic, C. Mixture of ligno + prilocaine is known as eutectic, D. Lidocaine is shoer acting than bupivacaine', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Prilocaine is less toxic than lignocaine", 'role': 'assistant'}]