This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Regional anaesthesia, Subject name: Anaesthesia
[{'content': 'True about EMLA \nSelect and explain. \nA. can be used for intubation, B. Mixture of local anesthesia, C. Faster acting, D. Used in children', 'role': 'user'}, {'content': 'Answer: B \nExplanation: EMLA is a eutectic mixture of local anesthetics (2.5% lidocaine and 2.5% prilocaine) Used for anesthesia of intact skin EMLA should not be used in the very small child', 'role': 'assistant'}]