Plasmapheresis (plasma exchange therapy) is used in the treatment of
a) Autoimmune hemolytic anemia
b) Disseminated intravascular coagulation
c) Thrombotic thrombocytopenic purpura
d) Hemolytic uremic syndrome
Correct answer : c) Thrombotic thrombocytopenic purpura
(It can also be used for HUS, but is not as successful)