WorksheetsMLT 504 -TM IV - Class 2 - Open review
Total questions: 15
Worksheet time: 11mins
Name 3 types (classes) of Immune Hemolytic Anemias
Which coated cells will be cleared by intravascular hemolysis?
A positive RBC coated with Anti-D
O positive patient receiving A positive RBCs
Where does extravascular hemolysis take place?
Bone marrow & kidneys
Bone marrow & Spleen
Spleen & Liver
Liver & kidneys
What could cause the immune system to fail in AIHA?
Which antigens would most autoantibodies react with?
Low incidence antigens
High incidence antigens
Which of the following tests best helps to determine if an autoantibody is present?
Antibody screen
ABO typing
Auto control
Compatibility testing
Is it possible to have a positive DAT with no detection of hemolytic anemia?
YES
NO
Which immunoglobulin type is usually associated with intravascular hemolysis?
IgG
IgA
IgM
IgE
What type of reagent should be used in primary DAT testing?
Anti-IgG
Monospecific AHG
Anti-C3d
Polyspecific AHG
What characteristic cells will be present in prepared blood smeanrs of uncompensated anemia?
Which of these could be resolved by prewarming the specimen
Which cold AIHA is more common in children?
Cold hemagglutinin disease
Paroxysmal cold hemoglobinuria
Which AIHA is characterized by antibody titer of > 1000 at 4oC?
Cold hemagglutinin disease
Paroxysmal cold hemoglobinuria
Which AIHA is caused by an autoanti-P?
Cold hemagglutinin disease
Paroxysmal cold hemoglobinuria
Which AIHA is diagnosed by the Donath Landsteiner test?
Cold hemagglutinin disease
Paroxysmal cold hemoglobinuria
