Vaccination increases the number of
A) different receptors that recognise a pathogen.
B) lymphocytes with receptors that can bind to the pathogen.
C) epitopes that the immune system can recognise.
D) MHC molecules that can present an antigen.

Question

Quizplus · Accepted Answer

Vaccination stimulates the production of memory B and T cells, which have receptors that can bind specifically to the pathogen. This increased number of lymphocytes with pathogen-specific receptors means that the immune system can respond more quickly and effectively to future infections with the same pathogen.

Vaccination Increases the Number of