The selective MAO-B inhibitor among the following is: (A) Selegiline, (B) Clorgyline, (C) Moclobemide, (D) Tranylcypromine
Answer is A. MAO is mono amine oxidase exists in two isoforms MAO A and MAO B. MAO A inhibitors are used in treatment of depression where as MAO B in treatment of parkinsons MAO B inhibitors include selegeline and rasagiline. Ref: KD Tripathi 8th ed.