help with 17 please 15. Defensive body cells such as leukocytes have membrane pr
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help with 17 please
15. Defensive body cells such as leukocytes have membrane proteins that help them to recognize and bind to pathogens. What is the name for these proteins? ) Lysozyme b) Toll-like receptors c) Cytokines d) Complement c) PAMPs 16. Margination refers to a) The chemotactic response of phagocytes b) The movement of phagocytes through walls of blood vessels. Adherence of phagocytes to the lining of blood vessels. Dilation of blood vessels. e) The adherence of phagocytes to microorganisms 17. Which of the following is true? Inflammation makes capillaries in the area become narrower and less "leaky"; this keeps bacteria out of the bloodstream. a) b) Inflammation is triggered by infection, but not by most other causes of tissue damag c) Inflammation is suppressed by acute-phase proteins Opsonization makes it less likely that a bacterium will be ingested by a phagocyte. Phagocytes are underactive in people with chronic granulomatous disease (CGD) e 18. Select the choice where all the defenses are matched to correct descriptions. W. Defects in this make people more vulnerable to Neisseria gonorrheae and N. meningitidis. X. This attaches to bacteria and promotes their phag Y. Treatment with this helps people with Chronic I. IFN-? II. C9 Ill. IFN-?. granulomatous disease (CGD) Produced by virus-infected cells IV. C3b Z. a) I-Z: 11-Y; Ill-W: IV-X -X, I-W IILZ; IV-Y 19. Which of the following is correctly matched to its defense against phagocytic killing? a) Mycobacterium tuberculosis-grow inside the phagocyte b) Streptococcus pneumoniae -avoids being ingested by phagocytes c) Staphylococcus aureus -kills phagocytes that ingest it. ) Pseudomonas aeruginosa -forms biofilms that resist phagocytosis. e) All of the above are correctly matched.Explanation / Answer
help with 17 please 15. Defensive body cells such as leukocytes have membrane pr
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