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BIOLOGY

JAMB 2017 - Question 8

Biology 2017 JAMB Past Questions - Question 8: Agglutination can occur during blood transmission when

Choose the most appropriate option for the gap .

Agglutination can occur during blood transmission when

A: similar antigens react

B: blood of incompatible blood group is mixed

C: similar antibodies react

D: white blood cells from two persons are mixed

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Correct Answer

Explanation

Agglutination is the clumping of red blood ceils along the blood vessels when blood of incompatible blood groups are mixed during transfusion. There is reaction between the uncomplimentary antigen and anti body in the recipient's blood. The antigen in the Red blood ceils of the donor is suppose to be complimentary to the antibody found in the plasma of the recipient to avoid clumping.