Chapter 32: Innate Immunity EXAM 2

A chemotactic factor attracts antibodies to the site of infection. - ANS: F A fever is a reset of the body's thermostat. - ANS: T A macrophage can migrate out of the bloodstream. - ANS: T A person's natural killer cells usually kill cells of their own body. - ANS: T About 10% to 15% of all cells in any organ are phagocytes. - ANS: T Adaptive immunity is also called _____ immunity. - specific All of the following are major types of interferon - leukocyte, immune & fibroblast All of the following are major types of interferon except_____interferon. - cartilage All of the following examples of nonspecific - species resistance, phagocytosis & mechanical & chemical barriers All of the following examples of nonspecific immunity except - cell-mediated immunity An autoimmune disease would indicate a problem with development of self-tolerance in the immune system. - ANS: T Apoptosis is a programmed cell death used by natural killer cells. - ANS: T Aspirin is effective in lowering fever because it inhibits the growth of the diseasecausing organisms. - ANS: F Complement can be activated only by the specific immune system. - ANS: F Complement is a group of about 8 different inactive enzymes circulating in the plasma. - ANS: F Cytokines are chemicals released from cells to trigger or regulate both innate and adaptive immune responses. - ANS: T Cytokines include leukotrienes, interferons, and histamine. - F Diapedesis is the process by which microbes are marked for destruction by phagocyti