Secondary immune responses upon a second exposure to a pathogen are due to the activation of

Question

Quizplus · Accepted Answer

Memory cells are responsible for the secondary immune response. These cells are generated during the primary response and remain in the body to rapidly activate upon subsequent exposure to the same pathogen. Natural killer cells, macrophages, B cells, and T cells all play important roles in the immune response, but they are not specifically responsible for the secondary immune response.

Secondary Immune Responses Upon a Second Exposure to a Pathogen