Question 1
When soluble antigens from infectious agents enter circulation, what is tissue damage a result of?
◦ Complement-mediated cell lysis
◦ Phagocytosis by macrophages
◦ Phagocytosis in the spleen
◦ Neutrophil granules and toxic oxygen products
Question 2
How are target cells destroyed in a type II hypersensitivity reaction?
◦ Tissue damage from mast cell degranulation
◦ Antigen-antibody complexes deposited in vessel walls
◦ Cytotoxic T lymphocytes attack the cell directly.
◦ Natural killer cells