Multiple Choice
Vaccination increases the number of ________.
A) different receptors that recognize a pathogen
B) lymphocytes with receptors that can bind to the pathogen
C) epitopes that the immune system can recognize
D) macrophages specific for a pathogen
E) major histocompatibility (MHC) molecules that can present an antigen
Correct Answer:

Verified
Correct Answer:
Verified
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