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Question

Agglutination means
  1. Blood clotting
  2. Clumping of RBCs due to antigen and antibody reaction
  3. Haemolysis
  4. Blood clotting and haemolysis

A
Blood clotting and haemolysis
B
Blood clotting
C
Clumping of RBCs due to antigen and antibody reaction
D
Haemolysis
Solution
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The correct option is B Clumping of RBCs due to antigen and antibody reaction
Agglutination is a term which refers to clumping of particles. This is generally used in blood grouping in reference to mixing of an antigen with its corresponding antibody. Agglutination also occurs in cross-matching when the donor red blood cells and recipient's serum or plasma are incubated together to determine, if the blood types are incompatible.
Therefore, the correct answer is option B.

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