Question

Red blood cells that do not contain A antigen but have Rh antigen on their surfaces are normally found in the person with the blood type

• A. A negative or B positive
• B. B positive or O positive
• C. O negative or B positive
• D. AB positive or A positive

Answer 1

The correct option is B

B positive or O positive

The correct option is B.

Explanation of correct option:

1. The Rh antigen detects if a blood group is positive or negative.
2. The presence of Rh antigen refers to the positive blood group whereas the absence determines the negative blood group.
3. A person not having A antigen and having Rh antigen in the blood simply indicates having B positive or O positive blood group.

Explanation of incorrect options:

Option A:

1. A person with A negative blood group has A antigen but lacks the Rh factor.

Option C:

1. A person having O negative blood group does not have any type of antigen.

Option D:

1. A person having AB positive blood group has both A nd B antigen with Rh factor and A positive blood group has A antigen.

Final answer: Red blood cells that do not contain A antigen but have Rh antigen on their surfaces are normally found in the person with the blood type B positive or O positive.