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).

An individual is recovering from a bacterial infection and tests positive for antibodies to a protein normally found in the cytoplasm of this bacterium.  Which of the following statements is true in this situation?

Activated CD4+ T cells produce and respond to interleukin-2 (IL-2).  This process is an example of:

The T cell receptor (TCR) recognizes antigen:

Which of the methods below are considered in vitro?

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