1)The major test where 3 drops of plasma from the recipient and one drop of red blood cells from the donor are added together left for 1-3 minutes and then examined microscopically. If this reaction shows there is agglutination the transfusion should not be performed. | 1)The major test where 3 drops of plasma from the recipient and one drop of red blood cells from the donor are added together left for 1-3 minutes and then examined microscopically. If this reaction shows there is agglutination the transfusion should not be performed. |