Immunology 101

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Questions and Answers

Which section of the course provides an overview of the immune system?

  • Section 3: Basic Components of the Immune System
  • Section 2: Basics of Disease
  • Section 1: Immune System Objective (correct)
  • Section 4: Advanced Topics in Immunology

What is the definition of immunology?

  • The study of how organisms protect themselves (correct)
  • The study of biotechnology
  • The study of genes and DNA
  • The study of diseases

Which of the following is NOT listed as a tissue of the immune system?

  • Bone marrow
  • Spleen
  • Lymph nodes
  • Lungs (correct)

What are the key functions of the immune system?

<p>To attack diseases (C)</p>
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What are some examples of immune cells mentioned in the text?

<p>Macrophages and B-cells (B)</p>
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Which tissue is considered the primary immune tissue?

<p>Bone marrow (B)</p>
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Where do T-cells originate from?

<p>Bone marrow (C)</p>
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Which organ in the lymph system acts as a blood filter and fights infection?

<p>Spleen (A)</p>
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What are the two types of immune systems mentioned in the text?

<p>Non-specific and specific (D)</p>
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What is the function of lymph nodes in the immune system?

<p>Activate B-cells and T-cells (A)</p>
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Which cells play a key role in the memory aspect of immunology?

<p>Dendritic cells (D)</p>
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What is the role of B-cells in the specific immune system?

<p>Secrete antibodies (A)</p>
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What is the function of helper T-cells?

<p>Create signaling molecules (A)</p>
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What is the main function of killer T-cells?

<p>Kill tumor cells (C)</p>
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What is the non-specific immune system responsible for?

<p>Protecting against all pathogens (C)</p>
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Which of the following is NOT a tissue of the immune system?

<p>Liver (C)</p>
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What is the main function of the immune system?

<p>To protect from both nonself and self-agents (A)</p>
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What is a pathogen?

<p>A non-self agent capable of causing disease (B)</p>
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Which of the following is a communicable disease?

<p>Pathogenic disease (C)</p>
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What is the purpose of antibiotics or biologics in treating diseases?

<p>To eliminate or neutralize pathogens (B)</p>
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Which part of the immune system is also known as the innate immune system?

<p>Non-specific immune system (C)</p>
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Which type of pathogen reproduces by taking over living cells?

<p>Viruses (A)</p>
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Which category of disease includes strep throat and tuberculosis?

<p>Bacterial diseases (D)</p>
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Which part of the immune system recognizes specific pathogens?

<p>Specific immune system (B)</p>
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During which phase of the immune response do cells of the non-specific immune response become activated?

<p>Phase 2 (D)</p>
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Which type of immune cell is the most abundant in the blood and is responsible for engulfing pathogens?

<p>Neutrophils (B)</p>
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Which immune cell acts as a bridge between the specific and non-specific immune systems?

<p>Macrophages (C)</p>
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What is the role of eosinophils in the immune system?

<p>Secrete cytotoxins to kill pathogens (C)</p>
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Which cells of the immune system are responsible for processing and presenting pathogen pieces to the cells of the specific immune system?

<p>Dendritic cells (B)</p>
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Where are tissue-specific macrophages usually found?

<p>Tissues (D)</p>
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