Question

What can be achieved can be prevented proper checking of blood before blood donation

Answer 1

You may have noticed that each time you give a blood donation we also take blood samples. ... We also test for infections that can be passed from donor to patient via a blood transfusion. ... Any donation that is reactive on any one of the screening tests cannot be used.

Answer 2

EXPLANATION:

Blood donation for noble cause is one of the most common social activity in which people donate their blood for needy people. It should be very safe and should be done with healthy people only.  

Before blood donation a person should take some healthy meal and after blood donation also person should have some healthy and light food like glucose or biscuits. The person should not have junk food before and after blood donation.