Multiple choice general knowledge

Which blood group is known as the Universal Donor?

  1. A

  2. B

  3. O

  4. AB
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Blood group O negative is called the Universal Donor because it lacks A and B antigens and the Rh factor. This means it can be given to almost anyone without causing an immune reaction. Type AB positive is the universal recipient, while A and B can only donate to certain types.

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