ABO blood group is the only blood group system in which an individual will make antibodies to the antigen they lack without exposure of red blood cells through transfusion or pregnancy. Blood group A individuals, have A antigens on the surface of red blood cells and will naturally make anti-B since they lack B antigens. Using your knowledge of the ABO blood group system, answer the questions below.
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1. Blood proteins produced by the immune system in response to foreign substance in the body is called?
Answer: Antibodies
2. What type of immunoglobulin is anti-A and anti-B ?
Answer: IgM
3. What type of immunoglobulin is anti-A,B?
Answer: IgG
4. What antibody is in blood type A?
|
Blood group |
Antigen(s) on RBCS |
Antibodies present in the serum |
|
A
|
A |
Answer: Blood Group A has Anti-B antibody
5. Individual will make antibodies to antigens they lack. Individuals with Blood group A has A antigen on their red cells and makes anti B antibody since they lack the B antigen.
|
Blood group |
Antigen(s) on RBCS |
Antibodies present in the serum |
|
B
|
6. What antibody is in blood type B?
Blood group B; has B antigen on their red cells, individuals will form anti A antibody since they lack the A antigen.
|
Blood group |
Antigen(s) on RBCS |
Antibodies present in the serum |
|
AB
|
A and B |
Answer: Blood Group B has Anti-A antibody
7. What antibody is in blood type O?
|
Blood group |
Antigen(s) on RBCS |
Antibodies present in the serum |
|
0
|
None |
Answer: Blood Group O has Anti-A,B antibody
8. What are the four main blood groups in the ABO blood group system?
Answer: The four main blood group is Blood Group A, B, AB and O