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Questions and Answers
What is the major proteolytic fragment of C3 that becomes covalently attached to microbes and is able to recruit and activate downstream complement proteins on the microbial surface?
What is the major proteolytic fragment of C3 that becomes covalently attached to microbes and is able to recruit and activate downstream complement proteins on the microbial surface?
- C3b (correct)
- C5a
- C4b
- C3a
What is the process called when a microbe is coated with molecules that are recognized by receptors on phagocytes?
What is the process called when a microbe is coated with molecules that are recognized by receptors on phagocytes?
- Inflammation
- Opsonization (correct)
- Phagocytosis
- Lysis
What is the function of some proteolytic fragments of complement proteins, especially C5a and C3a, in host defense?
What is the function of some proteolytic fragments of complement proteins, especially C5a and C3a, in host defense?
- Cell lysis
- Inflammation (correct)
- Phagocytosis
- Opsonization
What triggers the alternative pathway of the complement system?
What triggers the alternative pathway of the complement system?
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Which pathway of the complement system is initiated by a microbial product in the absence of antibody?
Which pathway of the complement system is initiated by a microbial product in the absence of antibody?
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What is the function of activated complement proteins?
What is the function of activated complement proteins?
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