6.12

Question 1

Define the following:
a) natural passive immunity
b) natural active immunity
c) artificial passive immunity
d) artificial active immunity

Answer 1

a) inheriting antibodies from another - through breastfeeding
b) has had the disease before, and has memory cells
c) injected with antibody treatment
d) vaccinations - injecting antigens to produce memory cells

Question 2

A newborn receives antibodies through breastmilk from their mother. State this type of immunity

Answer 2

Natural passive immunity

Question 3

A 5-year old child receives a vaccination for MMR, which contains attenuated viruses. State this type of immunity

Answer 3

Artificial active immunity

Question 4

An adult cuts themselves whilst gardening and is infected with tetanus; once they have recovered from the illness they are no longer vulnerable to this bacterium. State this type of immunity

Answer 4

Natural active immunity