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: Pharmacology
Intravenous anaesthetic metabolized by pseudo cholinesterase 
Select and explain. 
A. Propanidid, B. Althesin, C. Eltanolone, D. Clonidine
A: Propanidid
Answer: A: Propanidid 
Explanation: Propanidid is no more used in anaesthesia due to severe allergic reactions. It is metabolized by pseudocholinesterase.