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QWhich statement is true about the IgM of humans?

ID: #10327 Lymphatic system 132 views
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Lymphatic systemTopic
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  • A IgM can cross the placenta ✔ ✖
  • B IgM can protect the mucosal surface ✔ ✖
  • C IgM is produced by high-affinity plasma cells ✔ ✖
  • D IgM is primarily restricted in the circulation ✔ ✖
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Immunoglobulin M (IgM) is the largest immunoglobulin and is the first immunoglobulin to be produced in response to an antigen. It is primarily restricted in the circulation and is not able to cross the placenta. IgM is produced by high-affinity plasma cells and is able to protect the mucosal surface.

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