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
Central Inhibitor of dopamine metabolism is? 
Select and explain. 
A. Carbidopa, B. Deperenyl, C. Orphenadrine, D. Bromocriptine
B: Deperenyl
Answer: B: Deperenyl 
Explanation: Ans. is 'b' i.e., Deperenyl o Central inhibitors of dopamine metabolism are selegeline (deprenyl), which inhibits MAO-B in brain and Tolcapone which inhibits COMT in brain and peripheral tissue.