BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which response sensitized “memory” cells on alert
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primary
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secondary
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The secondary antibody response is characterized in its first few days by the production of small amounts of IgM antibody and larger amounts of IgG antibody, with some IgA and IgE.
Detailed explanation-2: -In secondary responses, on antigen rechallenge, memory B cells are activated and have at least two fates: they either differentiate into long-lived plasma cells or enter GCs to undergo rounds of population expansion, SHM and selection (Fig.
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