Exam 3: Blood Bank Applications of Antigenantibody Reactions

In transfusion medicine,the antihuman globulin (AHG)technique is used for numerous purposes including

When grading agglutination in a gel microtubule system,which grade is described as cells and agglutinates distributed through the column?

______ is the first immunoglobulin class produced in a primary immune response.

Antibody screen tests must include an incubation step at what temperature,which is the optimal reaction temperature for IgG antibodies?

All of the following are characteristics of IgG except

When the body first encounters a foreign antigen,a primary immune response is stimulated.One of the residual effects of the primary response is the retention of which memory cells?

Antihuman globulin (AHG)reagent must contain anti-_____ when used for antibody detection.

Which of the following would be a disadvantage to using a monoclonal reagent?

All of the following can cause false results in both an indirect (IAT)or direct (DAT)antiglobulin test except

The antihuman globulin technique is used to detect which isotype of antibody?

Which of the following tests does not detect antibodies to red blood cell antigens?

Which of the following does not activate complement?

All of the following are true regarding the direct antiglobulin test (DAT)except

The most common cause for the check cells not reacting is

During the incubation phase of an antibody screen test,how long should the test tubes be incubated?

During the AHG phase of an antibody screen test,before adding AHG reagent to the test tubes,what should the red blood cells be washed with?

The primary purpose of the immediate spin phase is to detect antibodies that react at room temperature,typically antibodies of the _____ class.

For tube testing,the most commonly used plasma-to-cell ratio is

All of the following statements are true regarding the indirect antiglobulin test (IAT)except

_________ is typically added before the incubation phase of the antibody screen test.