Vaccinations against chicken pox provide individuals with __________ immunity.

Vaccinations against chicken pox provide individuals with __________ immunity.
  a. active natural
  b. active artificial
  c. passive natural
  d. passive artificial
  e. cell-mediated

Question 2

The response represented by the dashed line in Figure 45-1 indicates:a.
   a secondary response to the initial antigen.
  b. a primary response to the initial antigen.
  c. a secondary response to an antigen distinctly different from the initial antigen.
  d. a primary response to an antigen distinctly different from the initial antigen.
  e. a secondary response equivalent to a primary respnse