Immune System

A pathogen is a disease causing germ

• True

• False

Pathogens that can ONLY reproduce inside the cells of living organisms are called

• viruses

• bacteria

• parasites

• mosquitos

How can pathogens spread from one person to another

• sneezing & coughing

• shaking hands

• touching contaminated objects

• all of the above

The purpose of the immune system is to

• help germs invade your body

• fight off sickness

• make your nose run

• give you diarrhea

What is your body's first line of defense against infection of foreign organisms?

• antibodies

• antigens

• white blood cells

• the skin

What is the role of antibodies in the immune system?

• Create Vitamin C

• To tag pathogens so they can be destroyed by your immune system

• Create new white blood cells

• Bind to B-cells

Protein coating of a cell that is unique to each pathogen, Cell's ID card

• antibodies

• antigens

Tags

NGSS.MS-LS3-1

Select the disease that can be treated with antibiotics.

• A bacterial infection

• A viral infection

• Both, a bacterial and a viral infection.

Alexander Fleming had discovered the first antibiotic. Antibiotics prevent the growth of

• mold

• bacteria

• fungi

• viruses

Edwrad Jenner succeeded in creating a vaccine against smallpox by injecting patients with material from this less deadly disease FIRST

• smallpox

• cowpox

• cattle virus

• measles virus