Which of the following are potential outcomes following complement activation?SELECT ALL THAT APPLYGeneration of antimicrobial peptidesOpsonization of pathogens for phagocytosisInduction of a memory response by B and T cellsApoptosis of virus-infected cellsCytolysis of pathogens through formation of the membrane attack complex (MAC)Induction of an inflammatory response
Question
Which of the following are potential outcomes following complement activation?SELECT ALL THAT APPLYGeneration of antimicrobial peptidesOpsonization of pathogens for phagocytosisInduction of a memory response by B and T cellsApoptosis of virus-infected cellsCytolysis of pathogens through formation of the membrane attack complex (MAC)Induction of an inflammatory response
Solution
The potential outcomes following complement activation include:
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Opsonization of pathogens for phagocytosis: This is a process where pathogens are marked for destruction by phagocytes. The complement system plays a crucial role in this process.
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Cytolysis of pathogens through formation of the membrane attack complex (MAC): The MAC is a part of the complement system that can puncture the cell membrane of pathogens, leading to their destruction.
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Induction of an inflammatory response: The complement system can trigger an inflammatory response, which helps to fight off infections.
The other options mentioned are not typically outcomes of complement activation:
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Generation of antimicrobial peptides: While these are important in the immune response, they are not typically produced as a result of complement activation.
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Induction of a memory response by B and T cells: This is a feature of the adaptive immune response, not the complement system.
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Apoptosis of virus-infected cells: While the immune system can induce apoptosis in infected cells, this is not a typical result of complement activation.
Similar Questions
Select all that applyWhat can activate complement?Multiple select question.Pathogen surface moleculesMBL proteinPhagocytosis
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
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 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
Choose the INCORRECT statement from the options below.Opsonization of pathogens is one of the consequences of complement activation.The classical pathway is initiated by the activation of C5 to form C5a and C5b.MB-lectin proteins bind to mannose-containing carbohydrates on pathogen surface.C3a and C5a are peptide mediators of inflammation.
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