Persons with 'AB' blood group are called as "Universal recipients". This is due to:
1. | Presence of antibodies, anti-A and anti-B, on RBCs. |
2. | Absence of antibodies, anti-A and anti-B, in plasma. |
3. | Absence of antigens A and B on the surface of RBCs. |
4. | Absence of antigens A and B in plasma. |
Person with blood group AB is considered as universal recipient because he has:
1. | both A and B antigens on RBC but no antibodies in the plasma |
2. | both A and B antibodies in the plasma |
3. | no antigen on RBC and no antigens in the plasma |
4. | both A and B antigens in the plasma but no antibodies |
A certain road accident patient with an unknown blood group needs an immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor?
1. Blood group B
2. Blood group AB
3. Blood group O
4. Blood group A
1. Type AB
2. Type O
3. Type A
4. Type B
The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because 'O' in it refers to having:
1. | other antigens besides A and B on RBCs |
2. | over dominance of this type on the genes for A and B types |
3. | one antibody only- either anti A or anti-B on the RBCs |
4. | no antigens A and B on RBCs |