A transfusion of type A blood given to a person who has type O blood would result in which of the following?
A)the recipient's B antigens reacting with the donated anti-B antibodies
B)the recipient's anti-A antibodies clumping the donated red blood cells
C)the recipient's anti-A and anti-O antibodies reacting with the donated red blood cells if the donor was a heterozygote (Ai)for blood type
D)no reaction because type O is a universal donor
E)no reaction because the O-type individual does not have antibodies

Question

Quizplus · Accepted Answer

Type O blood contains both anti-A and anti-B antibodies, so if it receives a transfusion of type A blood, the anti-A antibodies will recognize the A antigens on the donated red blood cells and clump them together, potentially causing a dangerous reaction.

A Transfusion of Type a Blood Given to a Person