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Explain how the complement system triggers vasodilation andrecruitment of phagocytic cells into tissues.

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Elin Hessel
Elin HesselLv2
28 Sep 2019

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Related questions

What is extravasation?

a. The expansion of joints between endothelial cells allowing for the migration of immune cells and proteins access to infection sites.

b. Recruitment of macrophages to infected tissues.

c. The process by which Salmonella avoids killing by phagocytic cells.

d. Coating of a pathogen with C3b for uptake by macrophages.

Atypical hemolytic uremic syndrome results from mutations in which complement component?

a. Factor I

b Factor H

c. C3b

d. CR1

1. C3a and C5a are proteins which effectively _____.

a.Opsonize invading pathogens

b.Recruit immune cells to infection site

c.Form pores in bacterial and fungal cell membranes

d.Cleave covalent bonds in peptidoglycan

2. Some pathogenic bacteria produce ______ which protect the organism against the oxidative burst from _________.

a.Catalase i. Phagocytic cells

b.Nitric oxide ii. Red blood cells

c.Superoxide Dismutase iii. Cytokines

d.C3 convertase iv. B Cells

3. What is extravasation?

a.The expansion of joints between endothelial cells allowing for the migration of immune cells and proteins access to infection sites.

b.Recruitment of macrophages to infected tissues.

c.The process by which Salmonella avoids killing by phagocytic cells.

d.Coating of a pathogen with C3b for uptake by macrophages.

4.Atypical hemolytic uremic syndrome results from mutations in which complement component?

a.Factor I

b.Factor H

c.C3b

d.CR1

What types of cells are phagocytic and what are the steps inphagocytosis? Describe two examples of antimicrobial molecules madeby a phagocytic cell. Describe a mechanism used by pathogens toavoid the destructive power of phagocytic cells.

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