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What is the role of IgE antibodies?

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Question: What is the role of IgE antibodies?

Options:

  1. To fight bacterial infections
  2. To mediate allergic reactions
  3. To activate complement system
  4. To enhance phagocytosis

Correct Answer: To mediate allergic reactions

Solution:

IgE antibodies are primarily involved in allergic reactions and responses to parasitic infections.

What is the role of IgE antibodies?

Practice Questions

Q1
What is the role of IgE antibodies?
  1. To fight bacterial infections
  2. To mediate allergic reactions
  3. To activate complement system
  4. To enhance phagocytosis

Questions & Step-by-Step Solutions

What is the role of IgE antibodies?
  • Step 1: Understand that antibodies are proteins made by the immune system to help fight off invaders like germs.
  • Step 2: Learn that there are different types of antibodies, and one type is called IgE.
  • Step 3: Know that IgE antibodies are mainly involved in allergic reactions, which happen when the body overreacts to harmless substances like pollen or pet dander.
  • Step 4: Recognize that IgE antibodies also help the body respond to parasitic infections, such as those caused by worms.
  • Step 5: Conclude that IgE antibodies play a key role in protecting the body from certain threats, but can also cause allergic reactions.
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