15 Questions
In the ABO blood typing system, which antigen is considerably more antigenic than the others?
Type D antigen
What is the direct result of agglutination in transfusion reactions?
Hemoglobin release into the plasma
When type B agglutinogen is not present in a person’s red blood cells, what antibodies develop in the plasma?
Anti-B agglutinins
What causes acute kidney shutdown after transfusion reactions?
Production of toxic substances
What is the main characteristic of Erythroblastosis Fetalis (“Hemolytic Disease of the Newborn”)?
Agglutination and phagocytosis of RBCs
What is the function of the type O gene in determining blood type?
It causes no significant type O agglutinogen on the cells
Which genes determine the O-A-B blood type?
Two genes on paired chromosomes
What are the antigens that occur on the surfaces of red blood cells?
Type A and Type B
What causes most blood transfusion reactions?
Antigens (agglutinogens) on the red blood cells
What is an antigen?
A molecule capable of stimulating an immune response
What is the main focus of anatomy?
Studying the structure and organization of living organisms
Which discipline helps to explain how organisms sense and respond to different stimuli?
Biophysics
What is the study of the chemical processes and substances that occur within living organisms?
Biochemistry
Which subdiscipline is concerned with the functioning of plants?
Plant physiology
Which discipline focuses on the study of heredity and the variation of traits within and between populations?
Genetics
Test your knowledge about the antigenicity and immune reactions involved in blood grouping and cross matching. Learn about the O-A-B blood types and the genetic factors determining blood type.
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