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immuno exams 2
| Question | Answer |
|---|---|
| R1 | CDe |
| R2 | cDE |
| R0 | cDe |
| Rz | CDE |
| r | cde |
| r' | Cde |
| r" | cdE |
| ry | CdE |
| which Rh antigen has the highest frequency in caucasians | e |
| some blood group antibodies hemolysis RBCs in the presence of | complement |
| which Rh antigen is found with 85% frequency? | D |
| Rh genes are found on what chromosome | 1 |
| universal donor | O- |
| universal recipient | AB+ |
| weak D type as what as donor | Rh+ |
| weak D type as what as recipient | Rh- |
| which genotype usually shows the strongest reaction with anti-D? | D--/D-- |
| Rh null phenotype | ---/--- |
| techniques necessary for weak D testing | 37*C incubation + IAT (AHG) |
| what kind of antibodies are Rh | IgG |
| Fischer race theory | three pairs of closely linked genes |
| Wiener theory | one pair of gene |
| in the wiener theory, how many alleles are postulated as possible at the Rh locus | 8 |
| how can one acquire antibodies to the D antigen | transfusion, pregnancy, rhogam shot, mosaic |
| ABO is on which chromosome | 9 |
| H and Se are on what chromosome | 19 |
| Du is most common in | blacks |