<prompt> Which is not true about spinal anesthesia?Useful for lower limb surgeryProduces complete sensory and motor paralysis below the levelAutonomic fibers are effected above the sensory levelIt produces more hemodynamic alteration than epidural anesthesia  <response>: In spinal autonomic level is 2 segments higher than sensory which is 2 segments higher than motor So sensory blockade will not only be below the autonomic level but will also extend 2 segments above the motor level. 