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Rh Blood Group System Quiz

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Questions and Answers

Which type of antibodies are present in normal blood?

IgD

IgM (correct)

IgE

IgA

What is the number of antigens known to be present on the surface of RBCs?

About 200

About 400

About 300 (correct)

About 100

Which type of antibodies are naturally occurring?

Antibodies produced as a result of injection of substances closely related to an antigen

Antibodies produced as a result of pregnancy

Antibodies without any obvious antigenic stimulus (correct)

Antibodies produced as a result of blood transfusion

In the Rh blood group system, what antigens are present on the surface of RBCs?

D antigen (C) Signup and view all the answers

What type of antibodies are predominantly found in the ABO system?

IgM (D) Signup and view all the answers

Which scenario can lead to the production of immune or acquired antibodies?

Injection of unrelated substances into the body (D) Signup and view all the answers

Which blood type is considered a 'universal donor' in the ABO system?

Blood type O (C) Signup and view all the answers

What is the significance of very few blood group antigens being practically significant for blood transfusion?

It minimizes the risk of rejection reactions (B) Signup and view all the answers

What antibodies are absent in the plasma of individuals with blood type AB?

Neither anti-A nor anti-B antibodies (C) Signup and view all the answers

Which antigens determine the Rh blood group system?

C and D antigens (B) Signup and view all the answers

Which individuals were historically thought to be 'universal recipients'?

Blood type AB individuals (B) Signup and view all the answers

What is the important general rule of transfusion that should always be observed?

Transfuse all patients with the blood of the same ABO group (A) Signup and view all the answers

What is the Rh antigen that is considerably more antigenic than other Rh antigens?

D (C) Signup and view all the answers

If a person has the C antigen, what can be inferred about the c antigen?

It will not be present (A) Signup and view all the answers

What percentage of white people are Rh negative?

15% (B) Signup and view all the answers

Which of the following can lead to the development of Rh antibodies?

Transfusion of Rh positive blood into a Rh negative person (B) Signup and view all the answers

What is the type-D antigen used to determine in individuals?

Rh blood group (A) Signup and view all the answers

In which condition may Erythroblastosis fetalis occur?

In newborn infants with Rh-positive mothers (C) Signup and view all the answers