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Questions and Answers
Which type of cell is responsible for cross-presentation of antigens?
Which type of cell is responsible for cross-presentation of antigens?
- Macrophages
- T cells
- B cells
- Dendritic cells (correct)
Once CD8+ T cells have differentiated into CTLs, how do they kill infected host cells or tumor cells?
Once CD8+ T cells have differentiated into CTLs, how do they kill infected host cells or tumor cells?
- By recognizing antigens (correct)
- By activating B cells
- By releasing cytokines
- By engulfing the cells
What is the role of cross-presentation in organ transplants?
What is the role of cross-presentation in organ transplants?
- It initiates CD8+ T cell responses (correct)
- It activates B cells
- It prevents rejection of the transplanted organ
- It promotes the growth of tumor cells
Which cells are responsible for presenting ingested antigens on class I MHC molecules to CD8+ T lymphocytes?
Which cells are responsible for presenting ingested antigens on class I MHC molecules to CD8+ T lymphocytes?
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Where do naive CD8+ T lymphocytes respond to intracellular antigens of infected cells?
Where do naive CD8+ T lymphocytes respond to intracellular antigens of infected cells?
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How do dendritic cells present diverse tumor antigens to naive CD8+ T cells in lymph nodes?
How do dendritic cells present diverse tumor antigens to naive CD8+ T cells in lymph nodes?
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