<prompt> Which of the following skeletal muscle relaxants undergo hoffmans elimination?AtracuriumSuccinylcholineMivacuriumVecuronium  <response>: Atracurium is inactivated by -1 Hoffman;s elimination, 2 alkaline ester hydrolysisCisatracurium is inactivated by Hoffman;s eliminationRefer: stoeltings pharmacology and physiology in anaesthetic practice, 5th edition, pg no.328 