Why Is the Second Response to an Antigen on a Pathogen

question 24

Multiple Choice

Why is the second response to an antigen on a pathogen faster than the initial response?

• A)The antibodies of the secondary response are more efficient.
• B)The antibodies of the secondary response are less efficient.
• C)After the initial exposure,memory cells are present and they respond more quickly upon a second exposure to the antigen.
• D)After the primary exposure,the memory cells respond more slowly.
• E)Pathogens are generally weaker with the second exposure.

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