Immune System and Vaccines

A pathogen is a disease-causing agent.

• true
• false

Vaccines contain weakened or dead parts of antigens. 

• True
• False

Edward Jenner succeeded in creating a vaccine against smallpox by injecting patients with material of which disease?

• Small pox
• Cow pox
• Cattle Virus
• Measles Virus

Special proteins produced by the body to attack foreign invaders.

• antibodies
• antigen

What is the main purpose of the immune system?

• support the body through bones and muscles
• get rid of waste from the body
• protect the body from pathogens
• move blood through the body

Which one is a way the body defends against a pathogen?

• Fever
• Stomach Acid digesting
• White Blood Cells fighing
• All of these are correct

What is the body's first line of defence against infection?

• Physical barriers

• White blood cells

• Blood plasma

• Red blood cells

A Phagocyte is a type of white blood cell (WBC).

• True

• False

Tags

NGSS.MS-LS1-3

Innate immunity includes

• The first line of defence and the second line of defence

• All lines of defence

• Phagocytes only

• Innates

Adaptive immunity is

• Specific

• Non-specific