tutorial tsbb topic 4 part 2

Which blood type has both A and B antigens on the surface of red blood cells?

• A

• B

• AB

• O

In the ABO blood group system, antibodies against the A antigen are found in the plasma of individuals with blood type:

• A

• B

• AB

• O

If someone with blood type A receives a transfusion of blood type B, which antibodies will react with the donor blood cells?

• Anti-A antibodies

• Anti-B antibodies

• Both anti-A and anti-B antibodies

• Neither anti-A nor anti-B antibodies

Which of the following factors can contribute to the immunogenicity of an antigen? (multiple answers)

• Size of the antigen

• Heavy chain composition

• Complexity of the antigen

• Valence

Which of the following is an example of an expected antibody in the context of blood transfusion?

• Anti-B antibody in a person with blood type A

• Anti-D antibody in an Rh-positive person

• Anti-B antibody in a person with blood type AB

What is the result of lattice formation in a positive blood group test?

• Agglutination

• Hemolysis

• Separation of plasma

• Coagulation

Which of the following is a critical factor influencing the second stage of hemagglutination?

(multiple answers)

• centrifugation

• temperature

• pH

• Zeta potential