Question 1
The purpose of a
booster shot is to
◦ elicit a primary response to an antigen.
◦ elicit a secondary response to an antigen.
◦ re-establish the formation of antibodies.
◦ counteract specific antigens in the system.
◦ seek out invaders.
Question 2
The tissue that is used for defense against bacteria and other foreign agents is the
◦ spleen.
◦ tonsil.
◦ liver.
◦ thymus.
◦ lymph node.