The attraction of additional macrophages and their release of mediators of inflammation is due to:

A. the original macrophage releasing compounds to attract additional macrophages
B. the presence of antibodies to the original hapten
C. the hapten being engulfed and processed by Th1 cells
D. release of cytokines from Th1 cells


Answer: D. release of cytokines from Th1 cells

Biology & Microbiology

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