Answer:
D. To decrease plasmapheresis of the blood.
Step-by-step explanation:
Plasmapheresis is a process in which plasma (which is what is being donated) is separated from the blood cells. Usually, the plasma is replaced with another solution such as saline or albumin, or the plasma is treated and then returned to your body.(or the patient)
Hope this helps I'm not to 100% sure but like 85% tell me if I'm wrong.