This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Muscle relaxants, Subject name: Anaesthesia
Muscle relaxant used in renal failure - 
Select and explain. 
A. Ketamine, B. Atracurium, C. Pancuronium, D. Fentanyl
B: Atracurium
Answer: B: Atracurium 
Explanation: As Atracurium and Cis-atracurium are inactivated by Hoffman's elimination, they are the muscle relaxants of choice for both liver and renal failure.