Although more than 400 blood groups have been identified, the ABO blood group system remains the most important in clinical medicine because it is essential for safe blood transfusions. Which of the following statements about the ABO blood group system is correct?
AThe ABO blood group system divides blood into four groups: A, B, AB, and O.
BIn the ABO blood group system, antibodies are present in plasma when the corresponding antigen is absent on red blood cells.
CThe ABO blood group system was the first blood group system to be discovered in 1901.
DABO antigens are found in most body tissues and fluids.
Direct Coombs test is positive in all EXCEPT:
AG6PD deficiency
BRh incompatibility
CAutoimmune hemolysis
DABO incompatibility
Which of the following statements is true regarding the Duffy Fy(a-b-) blood group?
Alacks H- antigen
Blacks A-antigen
CAll of the options
Dlacks Fy(b) antigen
+ 7 more in the PDF
Browse all chapters