Chapter 15, Problem 8MC

You work in Dr. Gainess office and you know that the Boulays appointment today is about a potential contagious rash. What precautions should you take when the family arrives?

Match the immune cell with its main function. ___dendritic cell a. professional phagocyte ___B cell b. antigen-presenter ___helper T cell c. activates other lymphocytes ___NK cell d. makes antibodies ___macrophage e. kills ailing body cells that lack MHC markers

Which innate immune system component uses MHC class I molecules directly in its defense Strategy? a. macrophages b. neutrophils c. NK cells d. interferon

Match the immunity concept with the best description. ___anaphylactic shock a. recognizes antigen ___immune memory b. inadequate immune response ___autoimmunity c general defense mechanism ___inflammation d. immune response against ones own body ___immune deficiency e. secondary response ___antigen receptor f. acute allergic reaction ___antigen processing g. presenting antigen together with MHC markers

Although interferons have several effects, they are particularly useful against infections with which type of pathogen? a. bacteria b. viruses c. fungi d. helminths

The Adaptive Immune Response Is a Specific Defense Against Infection Name the class of molecules that includes antibodies, and name the five groups that make up this class.

Figure 42.11 Which of the following statements about T cells is false? Helper T cells release cytokines while cytotoxic T cells kill the infected cell. Helper T cells are CD4+, while cytotoxic T cells are CD8+. MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. The T cell receptor is found on both CD4+ and CD8+ T cells.

Enhanced phagocytosis of a cell by the binding of a specific protein is called ________. endocytosis opsonization anaphylaxis complement activation

Which of the formed elements arise from myeloid stem cells? B cells natural killer cells platelets all of the above