<prompt> All of the following muscle relaxants are metabolized in liver except:PancuroniumVecuroniumRocuroniumMivacurium  <response>: Mivacurium is metabolized by pseudocholinesterase present in plasma. Two neuromuscular blocker metabolized by pseudocholinesterase- succinyl choline and mivacurium Most aminosteroid metabolized by hepatic and renal pathway. atracurium and cisatracurium are metabolized by Hoffman degradation and nonspecific ester metabolism. 