<prompt> A child presents with bladder exstrophy and chronic renal failure. The muscle relaxant of choice to be used during surgery if exstrophy in this child isAtracuriumMivacuriumPancuroniumRocuronium  <response>: Refer Ref Katzung 11e p453 Atracurium is eliminated by Hoffmans elimination I. e, it does not require liver of kidney, it is the muscle relaxant of choice in hepatic and renal failure 