(Solved): True or Flase  e. When a T helper cell is stimulated by an APC, it needs only two signals-recog ...

e. When a T helper cell is stimulated by an APC, it needs only two signals-recognition of antigen and receiving cytokines from the APC. f. Eosinophils are important in allergic infections and in defense against helminths. g. IgA is an antibody that is part of the innate and adaptive response. h. Tul cells stimulate B cells to become plasma cells. i. TH17 cells are important in fighting large extracellular pathogens.