Thrombocytopenic purpura

True about thrombocytopenic purpura is: 

a. Hemolysis is extra vascular 
b. Normal renal function test 
c. Thrombosis in cerebral blood vessels 
d. immediate cure following plasmapheresis 
e. none of above

Ans. is d i.e. Immediate cure following plasmapheresis

Diseases associated with Thrombotic Thrombocytopenic Purpura.

Infections : — Human immunodeficiency virus — Escherichia coli, Shigella

Positive direct Coomb’ test for detection of C3 on the red cell surface but 1gM responsible or coating on red cells is not found