Exam 22: The Lymphatic System and Immunity

Frank was bitten by a rattlesnake and received anti-venom containing neutralizing antibodies. Frank received ________ immunity and he ________ long-term immunity as a result.

Immunoglobulins that attach to and sensitize mast cells and basophils are

The medulla of a lymph node contains ________ lymphocytes and macrophages.

Immunoglobulins, formed of five subunits, that are the first antibodies to be produced in response to infection, are

The term lymphadenopathy refers to

When an antigen is bound to a Class II MHC protein, it can activate a ________ cell.

CD8 markers are to ________ T cells as CD4 markers are to ________ T cells.

Infection with the HIV virus occurs through

Antigens that trigger allergic reactions are called

Stress can affect the immune response in all of the following ways except by

In IgG, the antigen binding site is formed by the

Hormones that slow tumor growth are called

A T cell can only become activated after being physically or chemically stimulated by the abnormal targetcell in a process called

Figure 22-1 The Structure of a Lymph Node Use Figure 22-1 to answer the following questions: -Identify the dominant cell type in the area labeled "6."

Cytokines that make a cell and its neighbors resistant to virus infection are called

In general, lymphocytes

________ exists when the immune system does not respond to a particular antigen.

A sample of John's blood shows a high level of pyrogens. This would indicate that John

The primary function of the lymphatic system is

When antigens bind to inactive B cells and are brought into the cell by endocytosis to be displayed ontheClass II MHC proteins this results in ________ of the B cells.