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835 Microbiology

Complement is a series of impoant host proteins which provide protection from invasion by foreign microorganisms. Which one of the following statements best describes complement?

AComplement inhibits phagocytosis
BMicroorganisms agglutinate in the presence of complement but do not lyse
CComplement plays a minor role in the inflammatory response
DComplement protects the host from pneumococcal and Haemophilus infection through complement components C1, C2, and C4 (Correct Answer)