A specimen from a 50 yr old female with a history of anemia reveals a positive DAT. The patient reports she has not been recently transfused but has had two pregnancies. What is the most likely explanation for the positive DAT?

Which type of drug-induced immune mediated hemolytic anemia can only be identified in the presence of the drug?

Which group of antibodies is commonly found as cold-reacting agglutinins?

A patient is suspected of having Paroxysmal Cold Hemoglobinuria. Which pattern of reactivity is characteristic of the Donath Landsteiner antibody?

Which marker shows the individual has achieved immunity against the Hepatitis B virus?

Graft versus host disease is primarily caused by:

Which of the following patients would be a candidate for Rhogam?

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?

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