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WorksheetsBlood Group Systems
Total questions: 15
Worksheet time: 18mins
An antigen-antibody reaction alone does not cause hemolysis. Which of the following is required for red blood cell lysis?
Albumin
Complement
G6PD
Anti-human globulin
Which of the following is a characteristic of the Kidd system antibodies?
Usually IgM antibodies
Corresponding antigens are destroyed by enzymes
Usually strong and stable during storage
Often implicated in delayed hemolytic transfusion reactions
Most blood group antibodies are of what immunoglobulin type?
IgA and IgD
IgA and IgM
IgE and IgD
IgG and IgM
Which of the following statements is not true of anti-Fya and anti-Fyb ?
Are clinically significant
React well with enzyme-treated panel cells
Cause Hemolytic Transfusion reaction
Cause a generally mild hemolytic disease of the newborn
A patient's red blood cells are being typed for the Fya antigen. Which of the following is the proper cell type of choice for a positive control of the anti-Fya reagent?
Fy(a+b-)
Fy(a+b+)
Fy(a-b+)
Fy(a-b-)
Which of the following antibodies has been clearly implicated in transfusion reactions and hemolytic disease of the newborn?
Anti-I
Anti-K
Anti-Lea
Anti-N
Often when trying to identify a mixture of antibodies, it is useful to neutralize one of the known antibodies. Which one of the following antibodies is neutralizable?
Anti-D
Anti-Jka
Anti-Lea
Anti-M
Which of the following antibodies does not match the others in terms of optimal reactive temperature?
Anti-Fya
Anti-Jkb
Anti-N
Anti-U
Which set of antibodies could you possibly find in a patient with no history of transfusion or pregnancy?
Anti-I, anti-s, anti-P1
Anti-Leb, Anti-A1, anti-D
Anti-M, anti-c, anti-B
Anti-P1, anti-Lea, anti-I
Which of the following is generally detected at the anti-human globulin phase of testing?
Anti-Jka
Anti-M
Anti-P1
Anti-I
Which of the following blood group systems is associated with antibodies that are generally IgM?
Rh
Duffy
Kell
Lewis
Which of the following statements best describes the MN antigens and antibodies?
Well developed at birth, susceptible to enzymes, generally saline-reactive
Not well developed at birth, susceptible to enzymes, generally saline-reactive
Well developed at birth, not susceptible to enzymes, generally saline-reactive
Well developed at birth, not susceptible to enzymes, generally AHG-reactive
Which autoantibody specificity is found in patients with paroxysmal cold hemoglobinuria?
I
i
P
P1
Which of the following is the most common antibody seen in the blood banks after ABO and Rh antibodies?
Anti-Fyb
Anti-k
Anti-Jsa
Anti-K
Which blood group system is associated with resistance to P. vivax malaria?
P
Kell
Duffy
Kidd
