The most common cause of significant hemolytic transfusion reactions is:

Describe Coombs Cells (check cells).  What are they? How are they used in blood bank testing?  What are the expected results?  What do they verify?

Select the antibody (or antibodies) which are associated with the following

A woman pregnant with her third child is determined to have an anti-E antibody.  She has never been transfused.  If you antigen tested the woman and her husband, what results would you expect given the current antibody status?

Describe the difference between a positive autocontrol and a positive DAT.  What is being tested in each situation?  What are we trying to detect?  What conclusions can be drawn from each positive test?

The acceptable minimum interval between blood donations is:

Describe the difference between an abbreviated crossmatch and a full crossmatch.  Identify a situation or patient characteristic in which you would complete each.

To remove the interfering affects of auto-antibody in the presence of allo-antibody, the patients cells are first incubated with patient’s serum, then the cells are centrifuged and an antibody screen may be performed on this specimen.  This technique is know as:

Enzyme treatment of erythrocytes will depress which of the following sets of antigens?

What immunodominant sugar is responsible for B specificity?