Exam 14: The Lymphoid System and Immunity

The thymus gland is positioned

The largest class of antibodies, with several subtypes, is

Willy is allergic to ragweed pollen and tells you that he read about a medication that can help his condition by blocking certain antibodies. Do you think that this treatment could help Willy? Explain.

The immunoglobulins that can cross the placenta are the

In an experimental situation, a virus is injected into a rabbit and the rabbit is allowed to make antibodies for the viral antigen. These antibodies are then removed from the rabbit plasma and injected into a human to help deal with the same viral disease. This would be an example of

Paula's grandfather is diagnosed with lung cancer. His physician orders biopsies of several lymph nodes from neighboring regions of the body, and Paula wonders why, since his cancer is in the lungs. What would you tell her?

Antigens that trigger allergic reactions are called _________________________.

_________________________ is the ability to demonstrate an immune response upon exposure to an antigen.

Lymph is _________________________ that has entered a lymphatic capillary.

Lymph reenters the venous system at the

Lymphoid organs are different from lymphoid tissues in that lymphoid organs

The white pulp of the spleen contains large numbers of

Immunity that results from antibodies ingested from breastmilk is which type of immunity?

_________________________ are phagocytic cells that are permanent residents of specific tissues and organs.

Using the figure above, identify the labeled part. -Label K: ________

When a population of lymphocytes are made to attack the same antigen, they are said to be _________________________.

In active artificial immunity,

Using the figure above, identify the labeled part. -Label E: ________

_________________________ attracts monocytes and activates them to macrophages.

Using the figure above, identify the labeled part. -Label J: ________