Developing Immunity

Question 1

natural active immunity

Answer 1

when the body produces its own antibodies to an antigen encountered naturally

Question 2

natural passive immunity

Answer 2

when antibodies made by the mother are passed to the baby via the placenta or mother’s milk

Question 3

immunisation

Answer 3

the process of protecting people from infection by giving them passive or active artificial immunity

Question 4

artificial passive immunity

Answer 4

when antibodies are extracted from one individual and injected into another (e.g one form of the tetanus vaccine)

Question 5

artificial active immunity

Answer 5

when the body produces its own antibodies to an antigen acquired through vaccination

Question 6

attenuated pathogens

Answer 6

viable pathogens that have been modified so that they do not cause disease but still cause an immune response that results in the production of antibodies and immunity

Question 7

herd immunity

Answer 7

when a high proportion of a population is immune to a pathogen, usually through vaccination, thus lowering the risk of infection to all, including those not vaccinated