Which of the Following Comparisons Between TH1 and TH2 Cells

Multiple Choice

Which of the following comparisons between TH1 and TH2 cells is true?

A) TH1 cells produce interleukin (IL) -1 but not IL-2, and TH2 cells produce IL-2 but not IL-1.
B) TH1 cells are class I major histocompatibility complex (MHC) restricted, and TH2 cells are class II MHC restricted.
C) The chemokine receptors CXCR3 and CCR5 are more highly expressed on TH2 cells than on TH1 cells.
D) TH2 cells are more likely to bind to E-selectin and P-selectin on endothelial cells than are TH1 cells.
E) TH1 cells produce interferon (IFN) -ƴ but not IL-4, and TH2 cells produce IL-4 but not IFN-ƴ