The most beneficial effect of fever is that it (a) inhibits the spread of some bacteria and viruses, (b) increases the metabolic rate by up to 10 percent, (c) stimulates the release of pyrogens, (d) achieves a and b.

Fill in the blanks: Injured tissue releases chemicals called______ that mediate the four cardinal signs of inflammation, which are _____, ______,_____ , and_______.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

b. Phagocytic cells of innate immunity include NK cells and basophils.