AP EAMCET Medical 2017 Shift 1 Paper

Study the following
A) In secondary lymphoid organs the imnnino competent T-cells are transformed into cytotoxic T-cells and natural killer cells
B) Immunity developed by the antibodies that are released into the fluids of the body is called humoral immunity
C) After getting into the body of person. HIV enters the macrophages and dendric cells
D) Bursa Fabricius of birds is a secondary lymphoid organ
Among the above, the wrong statements ate