Science Bowl Question

W) Plasma cells respond the first time the invader is present, cytotoxic T-cells respond subsequent times

X) Plasma cells execute the cell-mediated response, cytotoxic T-cells execute the humoral response

Y) Plasma cells secrete antibodies against a pathogen, cytotoxic T-cells kill virus-infected cells

Z) Plasma cells confer active immunity, cytotoxic T-cells confer passive immunity