Exam 22: The Lymphatic System and Immunity

The ________ tissues are connective tissues dominated by lymphocytes.

Hormones that slow tumor growth are called

Free phagocytes found in the air sacs of the lungs are called

The attraction or repulsion of certain cells to chemicals in their environment is called

In an experimental situation,a rabbit is exposed to a viral antigen to which it makes antibodies.These antibodies are then purified and injected into a human with the same viral disease.This is an example of

________ occurs when antibodies and complement proteins bind to antigens and make it easier for phagocytes to engulf their target cells.

Helper T cells do all of the following except

The effects of activating the complement system include all of the following except

Lymphatic tissue is found in the greatest quantity in

The human immunodeficiency virus (HIV)that causes the disease known as AIDS selectively infects ________ cells.

Figure 22-1 The Structure of a Lymph Node Use Figure 22-1 to answer the following questions: -Identify the structure labeled " 1."

Immunoglobulins that are primarily found in glandular secretions such as saliva and tears are

Autoantibodies are

The alternative pathway of complement activation is sometimes called the ________ pathway.

The cells that perform immunological surveillance are the ________ cells.

Which of the following statements about lymph flow in a node is false?

Each of the following is a physical barrier to infection except

Stem cells that will form B cells or NK cells are found only in the

Cyclosporin A is an example of a drug that inhibits ________ of a transplanted organ.

Immunoglobulins that attach to and sensitize mast cells and basophils are