Sbb- Carbohydrate Blood Group Antigens Study Guide Questions And Correct Answers

Which one of the following statements is NOT true A. the ABO gene locus id present on chromosome 9 B. Anti-A and Anti-B produced by group B and group A individuals, respectively, are predominantly IgM C. a mixed field reaction is typically observed between anti-A and A3 red cells D. the A1 and A2 subgroups are distinguished serologically with the Dolichos biflorus lectin E. Serum of bombay phenotype (Oh) individuals will agglutinate group O red cells but will not agglutinate group A or group B r {Ans: E. Serum of bombay phenotype (Oh) individuals will agglutinate group O red cells but will not agglutinate group A or group B red cells}A mixed field agglutination reaction may be observed in which of the following situations? A. Between anti-B and some weak subgroups of B B. After recent transfusion of group O red blood cells (RBCs) to a non-group O individual C. Between anti-Sda and Sda-positive red cells in the antiglobulin phase of testing D. All of the above E. none of the above {Ans: D. All of the above}which of the following ABO donor - recipient parins is most likely to show a compatible crossmatch? Note antibody screening revealed