Question

question 36
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when macrophage oxidative metabolism is turned on, what actually kills the bacteria?
mast cells
cytokines
t cells
nitric oxide
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Explanation:

Macrophages can produce nitric oxide ($\ce{NO}$) when their oxidative metabolism is activated. Nitric oxide has antimicrobial properties and can kill bacteria. Mast cells are involved in allergic reactions and inflammation. Cytokines are signaling molecules. T - cells are part of the adaptive immune response mainly for cell - mediated immunity.

Answer:

Nitric oxide