Which of the following statements are true of vaccines (Select all that apply)?
A)Vaccines contain antigens to stimulate antibody production.
B)A vaccine antigen may be a pathogen that has been killed or attenuated.
C)A vaccine antigen may be part of a pathogen or a toxoid.
D)The purpose of a vaccine is to take the place of a first exposure to a pathogen.
E)A vaccine stimulates the creation of memory cells (T or B or both)to a specific antigen.
F)On a second exposure to a pathogen,antibody production has a lag period,then IgG production follows IgA production.

Question

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The Answer of Which of the following statements are true of vaccines (Select all that apply)?
A)Vaccines contain antigens to stimulate antibody production.
B)A vaccine antigen may be a pathogen that has been killed or attenuated.
C)A vaccine antigen may be part of a pathogen or a toxoid.
D)The purpose of a vaccine is to take the place of a first exposure to a pathogen.
E)A vaccine stimulates the creation of memory cells (T or B or both)to a specific antigen.
F)On a second exposure to a pathogen,antibody production has a lag period,then IgG production follows IgA production.

Which of the Following Statements Are True of Vaccines (Select