This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anaesthesia
Which among the following is a depolarizing muscle relaxant 
Select and explain. 
A. Decamethonium, B. D tubocurarine, C. Doxacurium, D. Atracurium
A: Decamethonium
Answer: A: Decamethonium 
Explanation: (Refer: Morgan and Mikhail's Clinical Anaesthesiology, 5th edition, pg no.219)