(Solved): Answers: A - D A Antibodies, bound to their cognate antigen, are not cleared by macrophages, and are ...

Answers: A - D A Antibodies, bound to their cognate antigen, are not cleared by macrophages, and are instead deposited in tissues where they activate complement and attract immune cells. B No antibodies are involved in these reactions; instead there is a delayed cell-medicated immune response (involving T lymphocytes). G These reactions occur

minutes after exposure to the antigen. D A virus infects antigen-presenting cells, thereby inhibiting humoral immunity.