<prompt> Last to recover in spinal anaesthesiaPainMotorProprioceptionPreganglionic sympathetic  <response>: .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 9e pg 346 