This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous Muscle Relaxant, Subject name: Anaesthesia
[{'content': 'Muscle relaxant excreted exclusively by kidney is: \nSelect and explain. \nA. Scoline, B. Atracurium, C. Vecuronium, D. Gallamine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is \'d\' i.e. Gallamine \'Urinary Excretion of Gallamine is>95%. Its biliary excretion is <1 %."-Lee, 12/eGallamineIt is nephrotoxic so C/I in Renal Failure *.It crosses placenta so C/I in Pregnancy *.Some important facts about Muscle Relaxants which are frequently asked:M.R. undergone Hoffman\'s elimination - Atracurium*M.R. of choice in Ranal failure & Hepatic failure - Atracurium*M.R. causing maximum Histamine release - d-TC*M.R. causing minimum Histamine release - Vecuronium*M.R. C/I in Hepatic failure - d-TC*Pancuronium*Scoline*M.R. used in Bronchial Asthma - Atracurium* &Vecuronium*', 'role': 'assistant'}]