Multiple Choice
Figure 45-1
Use the figure to answer the corresponding question(s) . 
-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
Correct Answer:

Verified
Correct Answer:
Verified
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