Which of the following is a non - selective MAO inhibitor?: (A) Moclobemide, (B) Rasagiline, (C) Selegiline, (D) Isocarboxazid
Answer is D. Reversible inhibitors of MAO - A :  Moclobemide.
Selective  inhibitors of MAO - B :  Selegiline, Rasagiline.
Non - selective inhibitors of MAO : Isocarboxazid, Phenelzine.