This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
[{'content': 'In spinal anaesthesia the drug is deposited between: \nSelect and explain. \nA. Dura and arachnoid, B. Pia and arachnoid, C. Dura and veebra, D. Into the cord substance', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Local anesthetic is injected into sub arachnoid space between L2-3or L3-4 below the lower end of spinal cord. The drug acts on nerve roots. From padmaja 4th edition Page no 205', 'role': 'assistant'}]