Exam 19: The Lymphatic System and Immunity

________ occurs when an antigen fragment-glycoprotein complex appears in a plasma membrane.

Lymphocytes may be found in which of the following tissues or organs?

Defense of the body against a particular pathogen is provided by

Destruction of antigens or cell lysis can be caused by all of the following except by

Leslie has a bad sore throat, and the lymph glands in her neck are swollen. This would indicate that

Lymph nodes do all of the following, except that they

Figure 19-1 The Structure of a Lymph Node Use Figure 19-1 to answer the following questions: -Identify the dominant cell type in the area labeled "6."

When an antigen is bound to a Class I MHC molecule, it can stimulate a ________ cell.

Infection with the HIV virus occurs through

What is MALT? What role does it play in the body's defenses?

In passive immunity, the

________ is another name for an antibody found in body fluids.

Immunity that results from antibodies that pass the placenta from mother to fetus is called ________ immunity.

The process by which antibodies bind to antigenic sites on viruses or toxins, rendering them incapable of binding to other cells, is called ________.

You are a researcher interested in studying the cytoskeleton. How can you use antibodies to locate actin- and tubulin-containing structures?

The various classes of immunoglobulins are differentiated on the basis of their

________ are clusters of lymphoid nodules deep to the epithelial lining of the small intestine.

The largest single collection of lymphoid tissue in the adult body is located in the

The process by which antigens combine with antibodies to form immune complexes is called ________.

List and briefly describe the four general properties of immunity.