Blood Bank Success 141 Correctly Answered Questions Latest Update

161. A transfusion of which of the following is least likely to transmit HIV, HCV, or HBV? A. Pooled plasma, solvent/detergent treated B. Cryoprecipitate C. Leukocyte-reduced RBCs D. Platelets {Ans: A}133. The following results were obtained upon testing a specimen of a patient, being admitted after a car accident, who had no recent history of transfusion or medical problems. ABO group: A Rh type: D-positive Antibody screening test: Positive, one screening cell only Direct antiglobulin test: Negative Antibody identification: Anti-K identified: 3 K+ cells that reacted with the patient serum and 3 K- cells that did not react with the patient serum were on the panel. Patient's cell phenotyping: K+ What is the most likely cause of the discrepant results? A. Failure to read panel at anti-globulin phase B. Failure to use positive and negative controls with anti-K C. Panel cell reactions interpreted incorrectly D. Patient has circulating donor cells that are K+ {Ans: B}31. During preparation of platelet concentrate, the hermetic seal of the primary bag is broken. The red blood cells A. Must be discarded B. May be labeled with a 21-day expiration date if collected in CPD C. Must be labeled with a 24-hour expiration