Author: Anonymous

A unit tests positive for syphilis with the RPR (rapid plasmin reagin) test. The MHA-TP (microhemagglutinin assay-Treponema pallidum) test is negative. What is the disposition of the unit?

The “groove” found on both HLA Class I and Class II molecules is highly polymorphic. This groove holds the processed antigens for T cell recognition.

HLA class II molecules are expressed on which cells?

Most cases of warm autoimmune hemolytic anemia will be DAT positive with which of the following?

Roger Rubriblast comes in to donate a unit of whole blood. The EIA screen is reactive for >HIV 1/2. The test is repeated in duplicate and found to be nonreactive in both. Roger is:

What is the most important concern when a panreactive autoantibody is identified in a patient’s specimen?

What is the first course of treatment for a patient with a confirmed case of drug-induced immune mediated hemolytic anemia?

Should an O negative mom receive Rhogam if a positive DAT on the baby is caused by immune anti-A?

HLA antibodies that are specific for a single epitope are designated as:

What is the interpretation of a microlymphocytotoxicity (CDC) assay if lysis of the donor cells occurs at the end of the procedure?