Immune System Terms

Front

The large green structure with the antigen on its surface is a (an): antibody, pathogen, enzyme, hormone

Back

pathogen

Front

Which of the following is FALSE about antibodies?

• They are Y-shaped proteins.
• They are made by the immune system.
• They can attack any antigen that enters the body.
• They remain in the bloodstream for a long time after they are produced.

Back

They can attack any antigen that enters the body.

Front

A disease that is harmful to the body and is contagious is called...

Back

Infectious

Front

How are infectious diseases transmitted?

Back

All of the above answers are ways that diseases are transmitted: through the air by sneezing or coughing, through contaminated drinking water, and through contaminated objects such as doorknobs and towels.

Front

Vaccines stimulate the body to produce...

Back

antibodies

Front

What is the main purpose of the immune system?

Back

protect the body from pathogens

Front

Any organism that causes disease (ex. a virus or bacteria) is called:

Back

Pathogen

Front

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 is called:

Back

Immune Response

Front

All of the following are infectious diseases EXCEPT: COVID-19, Influenza, Cancer, Cholera

Back

Cancer

Front

Why may antibodies produced for one flu strain not be effective against another?

Back

The antibodies are specific to shape and will no longer match the antigens.