MCAT Question of the Day


  • Q:

    An individual with blood type O receives blood from a blood type A donor. An immune response is triggered because

     

    A

    The blood is foreign, and, like any foreign tissue, will be rejected upon transfusion

    B

    The donor blood was infected during the transfusion process and the recipient immune system is responding to the infection

    C

    Blood type A lacks an antigen that is required by the blood type O recipient immune system to avoid rejection

    D

    Blood type A has an antigen that is recognized as foreign by the blood type O recipient



    Circulatory System | Immune System |
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