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What is the function of the complement system in immunity?

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Question: What is the function of the complement system in immunity?

Options:

  1. To produce antibodies
  2. To lyse pathogens
  3. To activate T cells
  4. To enhance inflammation

Correct Answer: To lyse pathogens

Solution:

The complement system consists of proteins that enhance the ability of antibodies and phagocytic cells to clear pathogens, including the lysis of pathogens.

What is the function of the complement system in immunity?

Practice Questions

Q1
What is the function of the complement system in immunity?
  1. To produce antibodies
  2. To lyse pathogens
  3. To activate T cells
  4. To enhance inflammation

Questions & Step-by-Step Solutions

What is the function of the complement system in immunity?
  • Step 1: Understand that the complement system is made up of proteins in the blood.
  • Step 2: Know that these proteins help the immune system fight off infections.
  • Step 3: Learn that the complement system works with antibodies, which are special proteins that recognize and bind to pathogens (germs).
  • Step 4: Realize that when the complement proteins are activated, they can help destroy pathogens in two main ways: by marking them for destruction and by directly breaking them apart (lysis).
  • Step 5: Remember that phagocytic cells, which are like 'clean-up' cells in the immune system, are also helped by the complement system to find and eliminate pathogens more effectively.
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