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A patient who received 2 units of A pos pRBCs 2 days ago developed a fever and jaundice. The post transfusion sample showed DAT positive with monospecific anti IgG. The eluate showed anti Jkb when tested with panel cells. Which of the following explains the positive DAT in the post transfusion sample? 

This organization publishes the Standards for Blood Banks and Transfusion Services. 

During testing, a discrepant result was noted.   Anti A Anti B Anti D A1 cells B cells Patient 4+ 0 4+ 0 0   What is the next step to correct the discrepancy?

A healthy full term infant, with a blood type of A pos, was born to a mother, who typed as Group O positive. The infant, at 15 hours old, had a Total Bilirubin level of 10 mg/dL, with a DAT IgG 3+ pos. What is the suspected antibody present in the eluate?

Which of the following is considered a sentinel event in the blood bank laboratory?

This type of transfusion reactions occurs in about 1% of all transfusions, is associated with a 10C rise in temperature associated with the transfusion, and is not related to the patient’s current medical condition. 

At the end of the 15 minute incubation for the IAT on an Ab ID panel, the MLS student notices that the heat block was unplugged during this time. What is the best response to the student regarding the testing?

The type of drug associated hemolysis from high doses of cephalosporin involves the modification of the RBC furface to allow for other plasma proteins to adsorb onto the red cell.

Which vial of reagent red cells listed in the antigram below would be the most suitable as a positive control for performing the quality control of the reagent anti-c?  

An 7 year old with sickle-cell disease had been inpatient ten days prior, and received a transfusion of 2 units packed red blood cells. The child now presents to  the ED with back pain and increased scleral icterus.   When the patient was discharged from the hospital, the Hb was 10 gm/dL and is now 6 gm/dL on today’s admission. The DAT is 3 + for IgG.  The most likely situation at this time is: