Immune System & Vaccination SWS

Special proteins produced by the body to attack foreign invaders.

• antibodies
• antigen

What is Herd Immunity?

• When a group of animals become immune to an illness

• The number of people someone with an infection can possibly spread the illness to

• Becoming immune to a vaccine and having it not work

• When a large amount of people protect those who haven't gotten vaccinated

__________ immunity is when the bodies makes its own antibodies.

• passive
• active
• cell mediated
• false

What is the function of antibodies within the immune system?

• Antibodies kill off any antigen that enters the body.

• Antibodies are only made when you are given a vaccination for specific antigens.

• Antibodies bind to specific antigens to flag for destruction.

• Antibodies are part of an external defense mechanism.

Which is an example of passive immunity?

• people being vaccinated against disease
• people taking vitamins to boost their immune response
• people receiving antibodies from their mothers before birth
• people producing antibodies against organisms that cause diseases they have had previosuly

The vaccines trigger the immune system creating specific ______________ for the pathogen.

• antigens

• antibodies

• medicine

• cells

Why do we need a new vaccine for Influenza every year?

• because the virus mutates very quickly

• because the virus is unknown

• because the vaccine works for a short time

• none of the answers

Tags

NGSS.HS-LS4-2

A white blood cell destroys an invading pathogen by:

• Changing its chemical composition

• Changing its genetic structure

• Pulling it apart

• Engulfing it

Vaccines contain

• the disease

• a weak or dead pathogen

• antibodies