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
In spinal anesthesia, the drug is deposited between- 
Select and explain. 
A. Dura and arachnoid, B. Pia and arachnoid, C. Dura and veebra, D. Into the cord substance
B: Pia and arachnoid
Answer: B: Pia and arachnoid 
Explanation: Between pia and arachnoid in the sub arachnoid space