<prompt> Muscle relaxant of choice in liver disease is?AtracuriumPipecuroniumRocuroniumVecuronium  <response>: Ans. A AtracuriumRef: Katzung 11the p456, KDT 8the p.380Atracurium and cis-atracurium are degraded spontaneously by Hoffmans elimination. These do not require liver or kidney for elimination and thus are muscle relaxant of choice in a patient with renal and hepatic dysfunction.Other drugs mentioned in the question are metabolized by liver and thus should be avoided in hepatic failure. 