Multiple choice

A person of blood group AB can give blood to

  1. 'A' and 'B'

  2. Only 'AB'

  3. 'A', 'B' and 'O'

  4. All of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A person with blood group AB has both A and B antigens on their red blood cells, but no anti-A or anti-B antibodies in their plasma. This means they can receive blood from any group (A, B, AB, or O) - they are 'universal recipients.' However, they can only donate to other AB individuals because their blood contains both antigens. Donating to A, B, or O would trigger antibody reactions in those recipients.

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