Promote lysis of virus-infected or cancerous body cells; release perforin; nonspecific

Excess accumulations of fluid in the tissues and causes swelling is called

Cross-linking of multiple antigen-antibody complexes resulting in clumping

The fluid that pushed out of the capillary beds and into the tissue spaces is called

Any substance capable of exciting the immune system and provoking an immune response

Lymph flows

Acts as a sentinel tp protect mucus-lined upper respiratory and digestive pathogens

What is one mechanism that does NOT aid the return of lymph back into the bloodstream?

"Big eater"; nonspecific phagocytic cell; can act as antigen presenting cell (APC)

Which of the following is NOT a type of lymphoid organ?

Failure to distinguish "self" from "nonself" antigens, producing disease

The lymphoid organ that programs T cells and functions at peak levels only during youth is the

Bodywide or systemic acute allergic response

The lymphatic tissues found in the wall of the small intestines are called

Binds to mast cells to trigger the release of histamine

Which of the following are produced by the skin and mucous membranes for protection?

Can cross the placental barrier to confer passive immunity to fetus

There are three lines of defense for the human body. The first line of defense consists of

Responsible for symptoms of allergic reactions; "troublemaker" antibody

Which of the following is also most often called the "immune system"?

Another name for antibodies

Compared to the nonspecific defense system, the immune system acts

This infectious disease specifically targets helper T cells of the immune system

Which of the following is NOT one of the nonspecific body defenses?

What type of lymphocytes are important because they act as the "directors" or "managers" of the immune system?

Release of histamine, dialtion, and "leakiness" of blood vessel, and attractions of phagocytes to an area of damaged tissue are all a part of the

Which of the following is associated with the production of antibodies

A mixture of dead or dying neutrophils, broken-down tissues cells, and living or dead pathogens forms in some wounds. The creamy, yellow substance is commonly known as

Which lymphocyte type produces antibodies

Pyrogens are associated with the production of

Where do the B and T cells develop?

The body's thermostat is located in what part of the brain?

Four cardinal signs of inflammatory response (more than one)

True or false: A low grade fever plays a positive role in healing and defense.

Define pathogen

The immune system is sometimes called the body's

Multiple sclerosis, myasthenia gravis, Grave's disease, systemic lupus erythematosis (lupus), glumerulonephritis, rhematoid arthritis are all forms

The type of immunity that a fetus derives from its mother is called

Another word for swelling of tissues because of an increase of interstitial fluid in that area is

Vaccines provide us with

Which of the following is NOT a type of T cell?

True or false: Vaccines are made from killed or weakened pathogens

Antibodies have a characteristic _____ shape with _____ regions regions at the ends which bind to a specific antigen.

True or false: Antibiotics are effective against viruses.