K1-positive donor red cells were mistakenly transfused to a recipient with anti-K.The patient's posttransfusion blood sample has a positive direct antiglobulin test with polyspecific antihuman globulin.The direct antiglobulin test is positive because anti-K is an __________ antibody that has sensitized the __________ cells in vivo.

Question

Quizplus · Accepted Answer

The anti-K in the recipient attached to the K antigen on the transfused donor red cells,which will cause them to be prematurely cleared by the spleen.

K1-Positive Donor Red Cells Were Mistakenly Transfused to a Recipient