Exam 12: The Lymphatic System and Body Defenses

Antigen-presenting cells (APCs) engulf antigens and present them to cells that will deal with them.

The binding of complement proteins to certain sugar or proteins on a foreign cell's surface is called ________.

Cytotoxic T cells release perforins to create pores in the target cell's membrane to kill the cell.

Match the following terms with the correct description: -Vaccines stimulate the production of these soluble proteins

One result of fever is the formation of a membrane attack complex (MAC) which produces holes, or pores, in the foreign cell's surface.

Which of the following is NOT a cell that behaves as an antigen-presenting cell (APC)?

What is the chief way the body responds to cellular antigens, such as bacteria or mismatched red blood cells?

Autoimmune disease arises when the immune system is no longer tolerant of self-antigens and antibodies are produced to attack the body's own tissues.

Where are the tonsils located?

What is the best graft to have so as to avoid rejection of a transplanted tissue?

What small proteins are secreted by virus-infected cells to help defend cells that have not yet been infected?

Match the following terms with the correct description: -Chemical released by macrophages and dendritic cells to activate many other immune cells

Using Figure 12.1, identify the following: -A lymph node is indicated by ________.

The adaptive (specific) defense system ________.

The inflammatory process begins with release of chemicals, which do all of the following EXCEPT ________.

The final disposal of cell debris as inflammation subsides is performed by neutrophils.

The two main structures of the lymphatic system are the lymphatic vessels and the blood vessels.

Bacteria and tumor cells are removed from lymph by ________.

The role of the spleen in the lymphatic system is to provide a site for lymphocyte proliferation and immune surveillance.

All lymph flows in a one-way system toward the ________.