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

---

Definitions:

Face Value

The nominal or dollar value printed on a securities certificate or instrument, such as a bond or stock, representing the value at issuance.

Zero-Coupon Bonds

Bonds that do not pay interest during their life but are sold at a deep discount, providing profit at maturity when redeemed for their face value.

Face Value

The nominal or dollar value printed on a bond, note, or other financial instrument, representing the amount due at maturity.

Quoted Price

The publicly stated cost or value of a stock, commodity, or financial instrument.