A periodontal infection caused by Porphyromonas gingivalis persists despite the presence of complement proteins in gingival crevicular fluid. The bacterium secretes a cysteine protease that degrades complement components. Which outcome is most directly associated with this immune evasion strategy?

Question

A periodontal infection caused by  Porphyromonas gingivalis  persists despite the presence of complement proteins in gingival crevicular fluid. The bacterium secretes a cysteine protease that degrades complement components.  Which outcome is most directly associated with this immune evasion strategy?

Answer

Increased oxidative burst by macrophages

Answer

Reduced opsonisation of the bacterial surface

Answer

Activation of the membrane attack complex

Answer

Enhanced antibody production by host B cells

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A periodontal infection caused by Porphyromonas gingivalis persists despite th...

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