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NU 545-805 Unit 1 Test Bank

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Which action is a purpose of the inflammatory process? a. To provide specific responses toward antigens b. To lyse cell membranes of microorganisms c. To prevent infection of the injured tissue d. ... To create immunity against subsequent tissue injury 2. How do surfactant proteins A through D provide innate resistance? a. Initiate the complement cascade. b. Promote phagocytosis. c. Secrete mucus. d. Synthesize lysosomes. 3. Which secretion is a first line of defense against pathogen invasion that involves antibacterial and antifungal fatty acids, as well as lactic acid? a. Optic tears b. Oral saliva c. Sweat gland perspiration d. Sebaceous gland sebum 4. Which bacterium grows in the intestines after prolonged antibiotic therapy? a. Lactobacillus b. Candida albicans c. Clostridium difficile d. Helicobacter pylori 5. What causes the edema that occurs during the inflammatory process? a. Vasodilation of blood vessels b. Increased capillary permeability c. Endothelial cell expansion d. Emigration of neutrophils 6. 7. 8. What process causes heat and redness to occur during the inflammatory process? a. Vasodilation of blood vessels b. Platelet aggregation c. Decreased capillary permeability d. Endothelial cell contraction 9. What does activation of the classical pathway begin with? a. Viruses b. Antigen-antibody complexes c. Mast cells d. Macrophages 10. What plasma protein system forms a fibrinous meshwork at an inflamed site? a. Complement b. Coagulation c. Kinin d. Fibrinolysis 11. Which component of the plasma protein system tags pathogenic microorganisms for destruction by neutrophils and macrophages? a. Complement cascade b. Coagulation system c. Kinin system d. Immune system 12. What is the vascular effect of histamine released from mast cells? a. Platelet adhesion b. Initiation of the clotting cascade c. Vasodilation d. Increased endothelial adhesiveness [Show More]

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