Enrichment Activity #6
ABO Exercise "C"

E-mail answers to Pat.

The questions are based on the grouping results in Table 4-10.

Table 4-10. ABO grouping results

Patient # anti-A anti-B A1 cells B cells
1 4+ -- 1+ 4+
2 1+ -- -- 4+
3 4+ 4+ -- --
4 -- 4+ 4+ --

  1. Which patient, if any, is likely

    (a) group A?

    (b) group A2 with anti-A1?

    (c) group AB?

    (d) group O?

    (e) group A3?

    (f) group B?

  2. Dolichos biflorus would be helpful in grouping which, if any, patient?

  3. Which patient, if any, may show mixed-field agglutination?

EA #6: ABO Exercise "C"

©1999 Division of Medical Laboratory Science
University of Alberta