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

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