Exam 17: Immunity and Infection

A marker on the surface of a foreign substance that triggers the immune response is called a(n)

Multiple sclerosis is an example of an autoimmune disease.

Macrophages act as

One of the best ways to break the chain of infection is to

List the five general classes of pathogens discussed in the chapter;give at least one example of a disease caused by each type of pathogen.

Which of the following is a defense mechanism specific to the respiratory tract that can be employed if cilia fail to keep out foreign particles?

Generally,antibiotics are useful against

Chemicals responsible for the dilation and increased permeability of blood vessels in the inflammatory response are called

The fungus that causes yeast infections is called

A microorganism that causes disease is a(n)

Single-celled organisms that often cause recurrent diseases are called

Which of the following is NOT considered a common allergen?

A disease in which an individual's immune system attacks his or her own body's cells is called a(n)

A vaccine is available to prevent infection by

The antibody most involved in triggering an allergic reaction is

Special growth stimulants released by helper T cells that stimulate the activation and proliferation of killer T cells and B cells are

Whooping cough is a respiratory illness cause by the bacterium

Autoimmune diseases occur when

Which of the following statements about the common cold is true?

Toxic shock syndrome was first diagnosed in pregnant women.