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- 1. Multiple-choice20 seconds1 pt
What occurs during receptor editing?
Change in the constant region of the heavy chain
Change of the variable region of the light chain
Change in disulphide bonds of the hinge region
Change of both the heavy and light chains
- 2. Multiple-choice20 seconds1 pt
What occurs during class switching?
Change in the constant region of the heavy chain
Change in both the heavy and light chains
Change in the variable region of the light chain
Change of the disulphide bonds of the hinge region
- 3. Multiple-choice20 seconds1 pt
Where can we find IgD?
B cells
Plasma
T cells
Red blood cells
- 4. Multiple-choice20 seconds1 pt
What does CD8+ normally attaches to, to provide the primary signal for cytotoxic T-cells to activate?
MHCI
MHCII
TCR
BCR
- 5. Multiple-choice20 seconds1 pt
What is the characteristic molecule that identifies T-regs?
FOXP3
CD3
CD8
IgM
- 6. Multiple-choice20 seconds1 pt
Do thymic epithelial cells have MHCI and MHCII at the same time?
Yes
No
- 7. Multiple-choice30 seconds1 pt
Which is the general mechanism behind peripheral tolerance of T cells?
Antigen sequestration
Clonal anergy
Clonal deletion
T-regulatory cells
