Exam 24: B: Immune System

Match each type of specific immunity with its description or example. -a mother passes antibodies to her baby

Match each term with its corresponding definition. -lymphocyte that attacks pathogens directly

Explain the role of toll-like receptors in the nonspecific immune system.

The antibody produced after initial contact with an antigen is:

Which antibody has four antigen-binding sites?

Explain the inflammatory response; include the chemicals released and the characteristic signs.

The predominant antibody of a secondary response is:

Interferon inhibits the spread of:

Name the classes of antibodies,and give the function of each.

Two-year-old Jenny was exposed to chickenpox.She was already undergoing treatment for leukemia.Her oncologist decided to give her a dose of interferon.What effect was the physician hoping for with this approach?

Specific immunity is controlled by two classes of lymphocytes called:

Memory cells:

The agent that causes tuberculosis is surrounded by a waxy layer that prevents water-soluble proteins from penetrating it.It is known that cells in the immune system have a very difficult time killing these agents through phagocytosis.Explain why this is true.

The antibody normally constituting the highest percentage of antibodies in the blood is:

According to the clonal selection theory,antigens select lymphocyte clones by:

Explain how complement is activated and can produce cytolysis in the process of humoral immunity.

Which substance can destroy pathogens by lowering the pH to a level at which they cannot function?

Which of the following is true of lymphokines?

Compare and contrast the development of B cells and T cells.

Name and describe the mechanical and chemical barriers of the nonspecific immune system.