The Mechanisms by Which T_H1 Cells Protect Against Microbes Include $\gamma$

question 3

Multiple Choice

The mechanisms by which T_H1 cells protect against microbes include all of the following EXCEPT:

• A)Secretion of interferon (IFN)-\(\gamma\)which activates microbicidal functions of macrophages
• B)Expression of CD40 ligand,which binds to CD40 on macrophages and activates them
• C)Secretion of IFN-\(\gamma\),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