An Rh –ve person, when exposed to Rh +ve blood:
1. will form antibodies against the Rh antigen
2. will be unaffected
3. will form antibodies against the Rh antigen only on second exposure
4. will receive anti Rh antibodies from the donor
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A person has type A antigen on RBC and anti-B antibodies in plasma. He can receive blood from a person with blood group:
1. | A and O | 2. | AB, A, B and O |
3. | B and O | 4. | Only O |
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To prevent eryhtroblastosis fetalis in future pregnancies:
1. | Anti-Rh Immunoglobulins must be given to Rh –ve mothers at the time of each delivery |
2. | Anti-Rh Immunoglobulins must be given to new born at the time of each delivery |
3. | Rh Antigens must be given to new born at the time of each delivery |
4. | Anti Antigens must be given to Rh –ve mothers at the time of each delivery |
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What is true for the blood Type O?
1. It is universal donor because it has neither anti-A antibodies nor anti-B antibodies circulating in the plasma.
2. It is universal donor because it has neither antigen A nor antigen B on its RBCs.
3. It is universal recipient because it has neither anti-A antibodies nor anti-B antibodies circulating in the plasma.
4. It is universal recipient because it has neither antigen A nor antigen B on its RBCs.
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