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
Phase II block is seen in – 
Select and explain. 
A. Sexamethonium (Sch), B. d–TC, C. Ether, D. N2O
A: Sexamethonium (Sch)
Answer: A: Sexamethonium (Sch) 
Explanation: Succinylcholine produces Dual block i.e. phase I and phase II.