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?

Did you browse through the course shell and locate the weekly lectures, the PDF file of the Major Problems in American History reader, assignments, and study guides? Do you need help navigating the course shell? Explain.

Viruses that can become latent cause what type of infections?

Did you read the syllabus? Do you have any questions about the course requirements, expectations, assignments, or other details?

Pathogenic fungus demonstrate the ability to switch between yeast and hyphal forms. What term describes the ability?