MCAT Question of the Day
    •

    Q:

    		 A particular substance causes an immune reaction within the first 10 minutes of exposure in humans and mainly utilizes humoral immunity. It can be inferred that this process
    		 

    A

    		 does not require immune cells to act

    B

    		 requires that antibodies be present

    C

    		 likely does not require B cells

    D

    		 utilizes phagocytes



    Immune System |
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