In spinal anaesthesia the drug is deposited between:: (A) Dura and arachnoid, (B) Pia and arachnoid, (C) Dura and veebra, (D) Into the cord substance
Answer is B. 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