Blood Banking and Serology Test 5

A woman types as Rh-positive. She has an anti-c titer of 32 at AHG. Her baby has a negative direct antiglobulin test (DAT) and is not affected by hemolytic disease of the newborn. What is the father’s most likely Rh phenotype?

Which of the following red cell typings are most commonly found in the African American donor population?

A donor is tested with Rh antisera with the results shown in this table:

What is his most probable Rh genotype?

A family has been typed for HLA because 1 of the children needs a stem cell donor. Typing results are listed in this table:

Patient                        type

father                     A1,3;B8,35

mother                   A2,23;B12,18

child #1                  A1,2;B8,12

child #2                 A1,23;B8,18

child #3                 A3,23;B18,?

What is the expected B antigen in child #3?

Which of the following is the immunodominant sugar responsible for the A antigen?

Which of the following is considered to be a high-prevalence antigen?

The reason that group O individuals have the most amount of H antigen on their red cells compared to other ABO phenotypes is:

A patient is typed with the results shown in this table:

The most probable reason for these findings is that the patient is group:

Given the serologic reactions shown in this table, what is the most likely A subgroup?

The enzyme responsible for conferring H activity on the red cell membrane is alpha-:

Even in the absence of prior transfusion or pregnancy, individuals with the Bombay phenotype (O_h) will always have naturally occurring:

Which of the following antibodies in the LU (Lutheran) system is most likely to be IgM and detected as a direct agglutinin?

Which of the following antibodies is neutralizable by pooled human plasma?

Antibodies from which of the following blood group systems are notorious for causing delayed hemolytic transfusion reactions?

HLA antibodies are:

Genes of the major histocompatibility complex (MHC):

Isoimmunization to platelet antigen HPA-1a and the placental transfer of maternal antibodies would be expected to cause newborn:

What antigens would be found in he saliva of an individual with the genotype Sese Lele AO HH?

Which of the following genes is not in the MHC class I region?

Anti-D and anti-C are identified in the serum of a pregnant woman, gravida 2, para 1.Ten months previously she received Rh immune globulin (RhIG) at 28 weeks’ gestation. Test results of the patient, her husband, and the child are shown in this table:

The most likely explanation for the presence of anti-D is that this antibody is: