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

question 29

Multiple Choice

K-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.

• A) IgG, donor's
• B) IgM, donor's
• C) IgG, recipient's
• D) IgM, recipient's

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Definitions:

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