The membrane attack complex of the complement system is formed by which components?
Correct answer: C. C5b through C9
- A. C1 through C4
- B. C3a and C5a
- C. C5b through C9
- D. Factor B and properdin
Explanation
The membrane attack complex consists of C5b, C6, C7, C8 and multiple C9 molecules. It forms pores in susceptible cell membranes, while C3a and C5a mainly act as inflammatory mediators.
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Covers the structure, classification, growth and transmission of bacteria, viruses, fungi and other disease causing microorganisms in animals. It explains innate and acquired immunity, antibodies, antigens, vaccination, hypersensitivity and diagnostic methods, while distinguishing infectious agents from the immune responses they produce.
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