types of immunity

Question 1

passive

Answer 1

antibodies that are transferred from an external source

Question 1

active

Answer 1

antibodies and memory cells are made by an individuals own immune system

Question 2

artificial

Answer 2

immunity acquired through medical intervention

Question 3

natural

Answer 3

immunity acquired without medical intervention

Question 4

Purpose of vaccination?

Answer 4

Vaccines activate the immune system to produce antibodies against pathogens without requiring the person to actually develop the disease

Question 5

why are boosters given?

Answer 5

because t and b cells can die after a long period of time

Question 6

why is the secondary antibody response faster?

Answer 6

the memory cells recognise the antigen and quickly generate a large number of antibodies and memory cells

Question 7

why does the primary antibody response not produce as many antibodies?

Answer 7

humoral response takes long - the apcs have to find the t cells. so when a moderate number of antibodies and memory cells are formed, the humoral response takes place. does not have time to make more antibodies

Question 8

herd immunity

Answer 8

When a high percentage of a population is vaccinated