Question

What does blood type A mean?

• A. Antigen A is present on the surface of the RBC
• B. Antigen B is present on the surface of the RBC
• C. Both A and B are present on the surface of RBC
• D. No antigens are present on the surface of RBC

Answer 1

The correct option is A

Antigen A is present on the surface of the RBC

There are 4 main blood groups A, B, AB and O. The ABO blood type is based on the presence or absence of the A and B antigens on the red blood cells. Blood group antigens are found on the surface of red blood cells. A person with blood type A has the antigen A on the surface of the RBC.