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achiever #26

Discussion in 'DAT Discussions' started by dentalplan, May 17, 2008.

  1. dentalplan

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    For some reason, the answer doesn't make sense --

    Antibodies are secreted by

    A.memory B cells.

    B.plasma cells.

    C.memory T cells.

    D.cytotoxic T cells.

    E.helper T cells.



    They say the answer is B, plasma B cells. But aren't antibodies also
    secreted from memory B cells? (...whenever antigens are introduced
    a second time?) Isn't that the point of vaccines?
    -Hope someone can explain why A can't be the right answer.
     
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  3. doc3232

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    I think the problem with answer A is that it says memory B cells rather than effector B cells. Memory B cells turn into the plasma cells (the answer) or into effector B cells. I am not 100% sure of my answer.

    Hope that helps.
     
  4. vvvv

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    memory B cell can survice for long time but they have to convert to plasma cell in order to product antibody. so the answer make sense.
     
  5. dentalplan

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    Ok thanks guys, i think i get it.

    But if anyone can explain the difference between plasma cells and effector cells that would be cool.
     

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