Universal donor belongs to which blood group? 

This question was previously asked in
Indian Army Nursing Assistant (Technical) Berhampore 2020 Official Paper
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  1. O
  2. B
  3. AB
  4. A

Answer (Detailed Solution Below)

Option 1 : O
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Indian Army Nursing Assistant (Technical) 2023 Memory Based paper.
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Detailed Solution

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Blood group O have both the A and B antigens absent on their red blood cells, making their blood compatible with all other blood groups. Therefore, blood group O is often referred to as the universal donor.

Additional Information

  • B: People with blood group B have the B antigen on their red blood cells and produce anti-A antibodies in their plasma.
  • AB: People with blood group AB have both the A and B antigens on their red blood cells, making their blood type compatible with both type A and type B blood. Therefore, blood group AB is often referred to as the universal recipient.
  • A: People with blood group A have the A antigen on their red blood cells and produce anti-B antibodies in their plasma.
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