B-Cell Activation and Antibody Production

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Questions and Answers

Which cell type is responsible for presenting the Pepeptide epitope to CD4 T cells?

  • B cell
  • Dendritic cell (correct)
  • Natural killer cell
  • Plasma cell

What is the main outcome of a peptide-specific CD4 T cell becoming activated when the virus is captured by a dendritic cell?

  • Memory B-cells are generated (correct)
  • The dendritic cell stops antigen presentation
  • Specific B cells recognize the virus
  • Nonspecific T cells become activated

Which type of cell delivers accessory signals to a B cell upon recognition by an activated T cell?

  • Memory T cell (correct)
  • Dendritic cell
  • Plasma cell
  • Natural killer cell

In the primary humoral response, what serves as the B-cell receptor (BCR) for antigen recognition?

<p>Immunoglobulin on the B-cell membrane (D)</p> Signup and view all the answers

How do T-cells recognize antigen compared to B-cells?

<p>Through MHC molecules (C)</p> Signup and view all the answers

What type of cell is responsible for presenting peptides derived from internal viral proteins by MHC class II molecules during the recognition process by a specific B cell?

<p>Dendritic cell (D)</p> Signup and view all the answers

Which receptor serves as the B-cell receptor (BCR) for antigen recognition?

<p>Membrane-bound immunoglobulin (D)</p> Signup and view all the answers

What is the main outcome of activated T cells recognizing their peptide on B cells during the immune response?

<p>Promotion of antibody production against the viral coat protein (B)</p> Signup and view all the answers

How do T-cells recognize antigens compared to B-cells in the context of antigen binding?

<p>Expressing TCRs that bind antigens within MHC molecules (C)</p> Signup and view all the answers

What is a key difference between how most T-cells and B-cells recognize antigens?

<p>B-cells utilize membrane-bound immunoglobulin as BCRs for antigen recognition (D)</p> Signup and view all the answers

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