Multiple choice

The antigen of blood group 'A' is

  1. AB

  2. O

  3. A

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

Blood group A has A antigens on red blood cells and anti-B antibodies in plasma. The ABO system is based on the presence or absence of A and B antigens on RBC surfaces. Blood type A has only A antigens, type B has only B antigens, type AB has both, and type O has neither.

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