5 Questions
Which pathway of complement activation is triggered by binding of C1 to antibody (IgM or IgG) that has combined with antigen?
Classical pathway
Which complement pathway is triggered by microbial surface molecules, polysaccharides, and cobra venom in the absence of antibody?
Alternative pathway
Which plasma protein binds to carbohydrates on microbes and directly activates C1 in the lectin pathway?
Mannose-binding lectin
Which complement product is responsible for increased vascular permeability, chemotaxis, opsonization, and proteolysis of C3?
C3
Which component is critical in complement activation and is the most abundant component of complement products?
C3
Test your knowledge of the complement system with this quiz. Explore the functions and activation pathways of these plasma proteins and their crucial role in host defense and inflammatory reactions.
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