<prompt> Direct globulin test is positive in?PNHSickle cell anemiaThalassemiaParoxysmal cold hemoglobinuria  <response>: Ans. d Paroxysmal cold hemoglobinuriaRef: Robbins 9thpg 642; 8thpg 654Direct globulin test is positive in Paroxysmal cold hemoglobinuria, as anti P antibody is formed. 