Last to recover in spinal anaesthesia: (A) Pain, (B) Motor, (C) Proprioception, (D) Preganglionic sympathetic
Answer is D. .It may be that preganglionic sympathetic fibers are more resistant to local anesthetic block than previously thought. Anesthesiologists often assume that, when a motor block is present during spinal or epidural anesthesia, sympathetic nerve transmission is blocked. Ref Robbins 9/e pg 346