Which of the following is NOT a result of complement fixation?Group of answer choicesImmune adherenceCell lysisActivation of C3bAcute local inflammationOpsonization
Question
Which of the following is NOT a result of complement fixation?Group of answer choicesImmune adherenceCell lysisActivation of C3bAcute local inflammationOpsonization
Solution
The answer is "Activation of C3b". Complement fixation does not result in the activation of C3b. The complement system, including C3b, is activated as a result of complement fixation, not the other way around. The other options - immune adherence, cell lysis, acute local inflammation, and opsonization - are all results of complement fixation.
Similar Questions
Which of the following is NOT an effect of complement activation?Group of answer choicesBacterial cell lysisInterference with viral replicationOpsonizationIncreased phagocytic activityIncreased blood vessel permeability
Which of the following are potential outcomes following complement activation?SELECT ALL THAT APPLYGeneration of antimicrobial peptidesApoptosis of virus-infected cellsInduction of a memory response by B and T cellsOpsonization of pathogens for phagocytosisCytolysis of pathogens through formation of the membrane attack complex (MAC)Induction of an inflammatory response
Select all that applyWhat can activate complement?Multiple select question.Pathogen surface moleculesMBL proteinPhagocytosis
Which of the following are primary goals of inflammation?SELECT ALL THAT APPLYTo activate memory T and B cellsTo deliver oxygen, nutrients, and chemical factors essential for tissue recoveryTo limit the spread of infectious agentsTo stimulate production of regulators of complement activation (RCAs)To allow for the complement cascade to become activatedTo recruit immune defenses to the injured tissue
What functions can complement proteins perform?Group of answer choicesprovide immunity in response to immunizationstore "memories" of specific antigens for months or yearsbind Fc receptorscoat invading microbesattract phagocytes to the site of infectioninsert themselves into the foreign cell's plasma membraneamplify the inflammatory response
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