<prompt> Which of the following is mechanism of action of dapsone?Inhibit the cell wall synthesisInhibit the sterol of cell wallInhibit the protein synthesisCompete with PABA in folic acid synthesis  <response>: Dapsone is analogue of PABA Competively inhibits dihyropteroate synthase - decreases folic acid synthesis. It can cause mild hemolysis, anemia and psychosis. Uses: Leprosy Malaria Prophylaxis of pneumocystitis Dermatitis herpetiformis 