The nurse is reviewing the antibody-mediated immune response with a patient experiencing a first exposure to an antigen. What events should the nurse explain that occur in this immune response?
Select all that apply.
1. Antigen-binding fragment (Fab) decreases.
2. An antigen begins the process of reaction.
3. Memory B cells and plasma cells are cloned.
4. T helper cells are stimulated.
5. Cell division and differentiation occur.
Correct Answer: 2, 3, 5
The primary response begins with the initial encounter with an antigen. During initial exposure to an antigen, the antigen is bound to the antibody, which stimulates cell growth, division, and differentiation. Memory B cells and plasma cells are cloned after the initial encounter with the antigen. This allows for a faster reaction the second time the body encounters the antigen. The antigen–antibody reaction includes a binding of the antigen (FAB). T cells take part in cellular immunity.
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