Question

If a person has blood type A+, what proteins (antigens) are found on their red blood cell membranes?

a. A only
b. B only
c. A and B only
d. A and Rh factor only
e. B and Rh factor only

Answer 1

In the AB0 system, ‘A’ group means that erythrocytes carry ‘A’ antigens. Rh+ means that Rh-proteins are found on the membranes of red blood cells. Therefore, the answer is:

d. A and Rh factor only