B6.1 Vaccination

Question 1

How are antigens used to inactivate or destroy pathogens

Answer 1

White blood cells make specific antibodies which join up with the antigens

Question 2

What are vaccines made of

Answer 2

Dead or inactivated form of a disease-causing microorganism/pathogen

Question 3

What does injecting dead pathogens into the body do

Answer 3

Stimulates white blood cells to produce antibodies and fight the pathogen to prevent illness.

Question 4

What happens if the same live pathogen comes back into the body

Answer 4

White blood cells have memory cells so they can make the right antibodies and respond rapidly.