Multiple Choice
Suppose that a person encountered two different antigens at about the same time which initiated two different immune responses (shown in the accompanying figure) . What can you conclude from these data? 
A) The person likely has been exposed to antigen B before.
B) Antigen A is an allergen.
C) The person is likely undergoing a secondary immune response to antigen A.
D) Antigen B caused an inflammatory response.
Correct Answer:
Verified
Correct Answer:
Verified
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