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': 'Fastest route of absorption of local anaesthetic is: \nSelect and explain. \nA. Intrapleural, B. Epidural, C. Brachial, D. Caudal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Intrapleural', 'role': 'assistant'}]