Define immunocompetence and self-tolerance. How is self-tolerance achieved?

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Dendritic cells may activate both T_H and T_C cells.

The most important function of peripheral tolerance is to:

Give a function for each of the following:

(f) Stromal cells

(g) Epithelial reticular cells

(h) Interferons

(i) Pyrogens

(j) T cells

(k) B cells

When naïve B cells are activated, they differentiate into:

a. Plasma cells

b. Memory cells

c. Both a and b

d. None of the above

Name several cytokines and describe their role in the immune response.