T-cell activation requires antigen being displayed in the context of an APC and interaction between co-stimulatory molecules on the APC and the T cell
In addition to these two signals, T-cell activity is often influenced by cytokines. Which of the following is an example of how cytokines can influence T-cell activity in the presence of MHC presentation and co-stimulatory ligand interaction?
A. CD28 causes memory NK cells to be produced.
B. CD8 triggers apoptosis in T cells that recognize self-antigens.
C. IL-2 triggers T-cell proliferation.
D. Opsonins recruit eosinophils to present carbohydrate antibodies to naïve TC cells.
E. TNF-? increases the production of IgM by activated T cells.
C
You might also like to view...
The Bod Pod, a small chamber that contains computerized sensors, uses ________ to measure body composition.
A) air displacement B) water displacement C) air density D) water density
If a patient is scheduled for an LP, what would you expect?
A. A needle will be inserted into the spinal column. B. A small biopsy of the brain will be done. C. The level of paralysis will be assessed through a neurological examination.
Calcitonin is secreted by
A. thymus cells B. thyroid cells C. adrenal cells D. parathyroid cells
The behavioral approach to cardiovascular disease intervention targets lifestyle modifications.
Answer the following statement true (T) or false (F)