The Mechanisms by Which TH1 Cells Protect Against Microbes Include

question 9

Multiple Choice

The mechanisms by which TH1 cells protect against microbes include all of the following EXCEPT:

• A)Secretion of interferon (IFN)-ƴ,which activates microbicidal functions of macrophages
• B)Expression of CD40 ligand, which binds to CD40 on macrophages and activates them
• C)Secretion of IFN-ƴ, which promotes B cell production of opsonizing antibodies
• D)Secretion of lymphotoxin and tumor necrosis factor, which enhance neutrophil killing of ingested microbes
• E)Release of granzyme B, which stimulates apoptosis of bacteria

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