18 Questions
Which type of antibodies are present in normal blood?
IgM
What is the number of antigens known to be present on the surface of RBCs?
About 300
Which type of antibodies are naturally occurring?
Antibodies without any obvious antigenic stimulus
In the Rh blood group system, what antigens are present on the surface of RBCs?
D antigen
What type of antibodies are predominantly found in the ABO system?
IgM
Which scenario can lead to the production of immune or acquired antibodies?
Injection of unrelated substances into the body
Which blood type is considered a 'universal donor' in the ABO system?
Blood type O
What is the significance of very few blood group antigens being practically significant for blood transfusion?
It minimizes the risk of rejection reactions
What antibodies are absent in the plasma of individuals with blood type AB?
Neither anti-A nor anti-B antibodies
Which antigens determine the Rh blood group system?
C and D antigens
Which individuals were historically thought to be 'universal recipients'?
Blood type AB individuals
What is the important general rule of transfusion that should always be observed?
Transfuse all patients with the blood of the same ABO group
What is the Rh antigen that is considerably more antigenic than other Rh antigens?
D
If a person has the C antigen, what can be inferred about the c antigen?
It will not be present
What percentage of white people are Rh negative?
15%
Which of the following can lead to the development of Rh antibodies?
Transfusion of Rh positive blood into a Rh negative person
What is the type-D antigen used to determine in individuals?
Rh blood group
In which condition may Erythroblastosis fetalis occur?
In newborn infants with Rh-positive mothers
Test your knowledge on the Rh blood group system, including the different types of Rh antigens and their characteristics. Learn about the common Rh antigens C, D, E, c, d, and e, and how they present in individuals.
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