This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
The enzyme PeudochoIinesterase acts on: 
Select and explain. 
A. Decamethonium, B. Tubocurarine, C. Gallamine, D. Suxamethonium
D: Suxamethonium
Answer: D: Suxamethonium 
Explanation: Suxamethonium is Succinyl choline. Abnormal Psuedocholinestrase is a hereditary defect. In such people S-ch doesn't get metabolized. Usual dose results in prolonged apnoea and paralysis that lasts for hours. Aificial ventilation and blood transfusion are needed to supply Psuedocholinestrase. From padmaja 4th edition Page no 86