This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anaesthesia
[{'content': 'Fastest route of absorption of local anaesthetic is \nSelect and explain. \nA. Intercostal, B. Epidural, C. Brachial, D. Caudal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The fastest route for absorption of LA is intercostal block, due to close location of blood vessel around the nerve, so that is why LA are rapidly taken by in intercostal block.', 'role': 'assistant'}]