During hemdialysis process
I. blood drained from a conveniend artery and anticoagulant is added (heparin).
II. Removal of nitrogenous waste from blood.
III. Blood is passed through a coiled porous cellophane membrane of tube bathing in dialysis fluid.
IV. blood is mixed with antiheparin and passed into vein.
Arrange the steps
A. `I rarr II rarr III rarr IV`
B. `IV rarr III rarr II rarr I`
C. `I rarr III rarr II rarr IV`
D. `I rarr IV rarr II rarr III`
