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Questions and Answers
Which cells are capable of activating mature naïve T cells?
Which cells are capable of activating mature naïve T cells?
- Dendritic cells (correct)
- CD8+ T cells
- B cells and macrophages
- CD4+ T cells
What is the role of CD4+ T cells?
What is the role of CD4+ T cells?
- Help activate B cells and macrophages (correct)
- Activate memory T cells
- Initiate cell death of infected or transformed cells
- Present antigens to mature, naïve T cells
What happens to activated peripheral dendritic cells (DCs)?
What happens to activated peripheral dendritic cells (DCs)?
- They lose adhesive markers and up-regulate CCR7 expression (correct)
- They travel to regional secondary lymphoid tissue
- They secrete cytokines to promote T cell subset differentiation
- They increase expression of MHC/HLA and CD80 (B7)
Which cells can activate memory T cells?
Which cells can activate memory T cells?
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What do mature, naïve T cells do when they encounter dendritic cells in lymphoid tissues?
What do mature, naïve T cells do when they encounter dendritic cells in lymphoid tissues?
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![Lecture 06: T-Cell Activation and B-cell activation [SEQ 1]](https://images.unsplash.com/photo-1613050920698-11821489ede4?crop=entropy&cs=srgb&fm=jpg&ixid=M3w0MjA4MDF8MHwxfHNlYXJjaHw0fHxULWNlbGwlMjBhY3RpdmF0aW9uJTJDJTIwaW1tdW5lJTIwc3lzdGVtJTJDJTIwYW50aWdlbiUyMHJlY29nbml0aW9ufGVufDF8MHx8fDE3Mzg3MzcxOTZ8MA&ixlib=rb-4.0.3&q=85&w=300&fit=crop&h=200&q=75&fm=webp)
