Question

what happens if a person with type a blood receives type b blood?
nothing, it is safe
it enhances oxygen transport
their anti - a antibodies attack the a cells
their anti - b antibodies attack the b cells

Explanation:

A person with type A blood has anti - B antibodies in their plasma. When they receive type B blood, which has B antigens on the red blood cells, the anti - B antibodies will recognize the B antigens as foreign and attack the B cells.

Answer:

D. Their anti - B antibodies attack the B cells