Exam 32: Innate Immunity

The role of fibroblasts in the inflammation response is to lay down a collagen web to try to isolate the infecting organism.

A macrophage can migrate out of the bloodstream.

The specific immune system has a more rapid response than the nonspecific immune system.

Explain how a white blood cell ingests and destroys a microorganism.

Match each term with its corresponding definition. -Ingestion and destruction of microorganisms or other small particles

There are three types of interferon: leukocyte, fibroblast, and immune.

The body identifies normal body cells by way of the unique major histocompatibility complex displayed by the cell as a surface protein.

Heat, redness, swelling, and pain are characteristic signs of inflammation.

Digestive enzymes and hydrogen peroxide are added to a phagosome to digest the phagocytized microorganism.

The most numerous type of phagocyte is the macrophage.

The type of immune mechanism that provides a general defense by acting against anything recognized as "not self" is called:

The most numerous type of phagocyte is the:

The membrane attack complex is used by macrophages to mark bacteria for phagocytosis and antibody attack.

Pyrogens are produced only by body cells that have been infected by a virus.

Interferon inhibits the spread of:

Match each term with its corresponding definition. -Phagocytic monocyte (nongranular WBC) in the immune system

The ability of our immune system to attack abnormal or foreign cells but spare our own normal cells is called innate immunity.

Tobacco mosaic virus can destroy tobacco plants. It has no effect on humans. This is an example of species resistance.

Which of the following is not a chemical used as a chemical barrier to pathogens?

Fever is always detrimental to the body and should be lowered as soon as possible.