Chapter 13 Infectious Diseases Review

Front

What is an allergy?

Back

A disorder in which the immune system is overly sensitive to a foreign substance.

Front

What is a vaccine?

Back

A substance used in a vaccination that consists of pathogens that have been weakened or killed but can still trigger the immune system into action.

Front

What do white blood cells create to fight infections?

Back

Antibodies.

Front

What does stomach acid do in the immune system?

Back

It kills germs.

Front

What is the immune response?

Back

Part of the body's defense against pathogens in which cells of the immune system react to each kind of pathogen with a defense targeted specifically at that pathogen.

Front

What is an allergen?

Back

A substance that causes an allergic reaction.

Front

What is passive immunity?

Back

Immunity gained by receiving antibodies from another source, rather than producing them through one's own immune system.

Front

What is active immunity?

Back

Immunity that develops as a result of exposure to a pathogen, leading to the production of antibodies.

Front

What are antibiotics?

Back

Medicines that help fight bacterial infections by killing bacteria or preventing their growth.

Front

What are antigens?

Back

Substances that trigger an immune response, often found on the surface of pathogens.