19. Bacterial cells may be phagocytized and processed for presentation by a. erythrocytes b. T cells c. macrophages. d. mast cells. 20. An immune response that is nonspecific is referred to as immunity. 21. Which of the following is NOT an example of a white blood cell (WBC)? 22. Which of the following is NOT an example of a physical barrier to infection? 23. A specialized macrophage located in skin-associated lymphoid tissue (SALT) is called a(n) a. innate b. humoral d. cell-mediated a. mast cell b. monocyte c. macrophage d. erythrocyte a. skin b. defensins c. lungs d. mucosal membranes a. monocyte. b. dendritic cell. c. alveolar macrophage. d. Langerhans cell. 24, Lysozyme is an example of a(n) a. chemical barrier. b. defensin. c. physical barrier. d. adaptive immune response. 25. Which of the following is NOT a cardinal sign of inflammation? b. pain a. heat c. edema d. pus formation
