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
Exogenous adrenaline is metabolized by 
Select and explain. 
A. Acetyltransferase, B. Reuptake, C. COMT, D. AchE
C: COMT
Answer: C: COMT 
Explanation: Endogenous adrenaline action is terminated mainly by reuptake whereas exogenous agent is metabolized by COMT and MAO.