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A patient of hemorrhagic shock requires Blood transfusion. His blood group is B+ve. Blood bank informed that following blood group blood is available. Which blood can be used?

A patient of hemorrhagic shock requires Blood transfusion. His blood group is B+ve. Blood bank informed that following blood group blood is available. Which blood can be used? Correct Answer O+

Explanation:

  • People with blood group AB have both antigen A & B present in their bloodstream, they do not have any antibodies present
  • Due to the absence of antibodies in the blood, they are called universal recipients as they can receive blood from any other type.
  • People with blood group O do not have any antigens present but, they have both the antibodies A & B present in their bloodstream.
  • Due to the absence of antigens in the blood, they are called universal donors as they can donate blood to any other type.
  • A donor having blood group AB  cannot donate their blood to the recipient who has blood group O, this is because the antigens present in the blood of the donor (AB) would react with the antibodies of the recipient's (O) blood and this will cause destruction of the recipient's RBCs and the person may die.

Important Points

Blood Group A B AB O
Antigens on RBCs A B A and B None 
Antibodies in plasma B A None A and B
Can donate blood to A and AB B and AB AB A, B, and AB
Can receive blood from A and O B and O A, B, O, and AB O
 

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