This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
Which of the following skeletal muscle relaxants undergo Hoffman's elimination ? 
Select and explain. 
A. Atracurium, B. Succinylcholine, C. Mivacurium, D. Vecuronium
A: Atracurium
Answer: A: Atracurium 
Explanation: Atracurium is inactivated by → 1) Hoffman's elimination, 2) Alkaline ester hydrolysis.
Cisatracurium is inactivated by Hoffman's elimination