[Verified Answer]: A 41-year-old patient was admitted with…

A 41-year-old patient was admitted with acute lower gastrointestinal bleeding. Diagnostic procedures identified a tumor of the colon, and three days post-admission, she underwent colon surgery. During surgery, the patient, who was group A positive, was given 5 units of A-positive RBCs. All transfusions were uneventful. She was discharged to home care 5 days post-surgery. Two days post-discharge, the patient developed a high fever, and there was clinical and laboratory evidence of bleeding. She was readmitted to the hospital, and her physician ordered an additional 4 units of RBCs to be transfused over the next 24 hours. The patient’s current pretransfusion ABO grouping results are as follows: Anti-AAnti-BA1 cells B cellsPatient Results4+2+04+ What category of ABO discrepancy is most descriptive of these findings? Please select the single best answer Missing (or atypically weak) reactions in reverse typingUnexpected reactions in reverse typingMissing (or atypically weak) reactions in forward typingUnexpected reactions in forward typing