Active & Passive Immunity

Question 1

What is active immunity?

Answer 1

when you make your own antibodies

there are two types: natural and artificial

natural - primary response and produces antibodies + memory cells

artificial - vaccination - produces memory cells

Question 2

What is passive immunity?

Answer 2

when you are given antibodies by another organism

natural - antibodies are given to children by mother e.g. placenta or breast milk

artificial - given someone else’s antibodies e.g. blood transfusion

Question 3

What are the differences between active and passive immunity?

Answer 3

active -

immunity is slow
it is long term (memory cells stay long)
make memory cells
exposed to the antigen for immunity

passive -

fast protection
short term bc antibodies are foreign
dont make memory cells
no immunity