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': 'Concentration of adrenaline used with local anaesthetic \nSelect and explain. \nA. 1:1,000, B. 1:10,000, C. 1:1,00000, D. 1:2,00000', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Concentration of adrenaline used for local anaesthetic is 1 in 2 lakhs, (that of phenylephrine is 1 in 20,000).', 'role': 'assistant'}]