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Question
Development of a secondary immune response is based on populations of ______.
Options
memory cells
effector cytotoxic T-cells
mast cells
effector B-cells
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Solution
Development of a secondary immune response is based on populations of memory cells.
Explanation:
The development of a secondary immune response is based on populations of memory cells, which remain in lymphoid tissues after the primary immune response. These memory cells can recognize a previously encountered antigen and rapidly proliferate into effector cells upon subsequent exposure, leading to a faster and stronger immune reaction. Effector cytotoxic T-cells, mast cells, and effector B-cells are involved in immediate immune responses but do not primarily account for the long-lasting and enhanced response seen in secondary immunity.
