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Questions and Answers
Which of the following best describes the role of the complement system in host defense against microbes?
Which of the following best describes the role of the complement system in host defense against microbes?
- The complement system inhibits the activation of antibodies.
- The complement system assists antibodies in destroying cells. (correct)
- The complement system directly destroys microbes.
- The complement system activates the innate immune response.
How is the complement system activated?
How is the complement system activated?
- Both by microbes in the absence of antibody and by antibodies attached to microbes. (correct)
- Only in the absence of antibody as part of the innate immune response.
- Only by antibodies attached to microbes.
- Only by microbes in the absence of antibody.
What prevents complement-mediated damage to healthy cells?
What prevents complement-mediated damage to healthy cells?
- The activation of complement proteins.
- The generation of effector molecules.
- The deposition of activated complement proteins.
- The regulatory mechanisms of normal host cells. (correct)
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