The loss of Immature B-cells bearing self-antigen occurs in the and is referred to as tolerance.

Follicular helper T cells are a recent discovery in the Helper T cell lineage.  What is the primary role of follicular helper T cells?

List the 3 steps required for the differentiation of T helper cells into T helper cell subsets.

Which of the following molecules would double negative T cells fail to express?

A naive T cell that encounters a co-stimulatory signal (signal two) without signal one will

All of the following are functions of T helper 1 cells EXCEPT:

Which cells present antigen to B cells for testing of Ig molecules for increased affinity

Which of the following represents the earliest Stage in T cell development?

What is the role of histamine in hypersensitivity?

Cells destined for the T cell lineage are “educated” in the thymus.  List 3 important goals of thymic education (5 pts).