How Does the Immune System Recognize Pathogens It Has Fought

question 66

Multiple Choice

How does the immune system recognize pathogens it has fought before?

• A)The primary immune response creates memory B and memory T cells which are activated in a secondary immune response.
• B)The primary immune response creates antigens which are activated in a secondary immune response.
• C)The secondary immune response creates antigens which are activated in a primary immune response.
• D)The secondary immune response creates memory B and memory T cells which are activated in a primary immune response.
• E)The primary immune response creates memory B cells,the secondary immune response creates memory T cells,and these are both activated in a tertiary immune responsE.

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