Question 1
Which acts as first line of defense against pathogens?
◦ lymphocytes
◦ inflammation
◦ macrophages
◦ skin
Question 2
An inflammatory response is triggered when
◦ neutrophils phagocytize bacteria.
◦ blood flow to an area increases.
◦ red blood cells release pyrogens.
◦ mast cells release granules containing histamine.
◦ T lymphocytes release interferon.