Cross matching prevents transfusion reactions by testing for agglutination between donor and recipient blood prior to the transfusion.

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Cross matching is a crucial step in the transfusion process that involves mixing a sample of the recipient's blood with a sample of the donor's blood to check for any incompatibility or agglutination (clumping) reactions. If any agglutination occurs, it means the donor blood is incompatible with the recipient's blood, and the transfusion should not be performed. Therefore, cross matching helps prevent transfusion reactions, including potentially fatal ones like hemolytic transfusion reactions.

Cross Matching Prevents Transfusion Reactions by Testing for Agglutination Between