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: Pharmacology
Rapid termination of the action of Suxamethonium is due to - 
Select and explain. 
A. Rapid renal elimination, B. Enzymatic degradation by pseudocholinesterase, C. Metabolized by liver to acetyl CoA, D. Redistribution
B: Enzymatic degradation by pseudocholinesterase
Answer: B: Enzymatic degradation by pseudocholinesterase 
Explanation: Ans. is 'b' i.e., Enzymatic degradation by pseudocholinesterase o SCh is rapidly hydrolysed by plasma cholinersterase, some patients have genetically determined abnormality or deficiency of pseudocholinesterase, in them, SCh causes phase II block (dual block).