Pathogens and Diseases

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Questions and Answers

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

  • Section 4
  • Section 3
  • Section 2
  • Section 1 (correct)

What is the study of the systems and mechanisms an organism uses to protect itself called?

  • Proteomics
  • Genetics
  • Biotechnology
  • Immunology (correct)

Which of the following is NOT a component of the immune system mentioned in the text?

  • B-cells
  • Dendrites (correct)
  • Macrophages
  • T-cells

Which tissue is considered the primary immune tissue and is responsible for the production of all immune cells?

<p>Bone Marrow (C)</p> Signup and view all the answers

Which immune cells differentiate or mature in the bone marrow?

<p>All of the above (D)</p> Signup and view all the answers

Which hormone secreted by the thymus stimulates the development of T-cells?

<p>Thymosin (A)</p> Signup and view all the answers

Which category of disease includes diseases that are passed from one organism to another?

<p>Pathogenic diseases (D)</p> Signup and view all the answers

Which of the following is NOT a common example of a disease associated with viruses?

<p>Tuberculosis (B)</p> Signup and view all the answers

Which branch of the immune system recognizes specific pathogens?

<p>Specific immune system (D)</p> Signup and view all the answers

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

<p>Spleen (C)</p> Signup and view all the answers

What is a pathogen?

<p>A microbe that causes infection (B)</p> Signup and view all the answers

Which type of disease is caused by an infectious agent?

<p>Pathogenic disease (D)</p> Signup and view all the answers

Which immune cells are the most abundant in the blood and their mission is to detect and engulf or eat pathogens?

<p>Neutrophils (A)</p> Signup and view all the answers

Which cells act as a bridge between the specific immune system and the non-specific immune system, and play a critical role in the overall immune response?

<p>Macrophages (B)</p> Signup and view all the answers

Which cells process pathogens, break them down, and present pathogen pieces to the cells of the specific immune system to activate them?

<p>Dendritic cells (B)</p> Signup and view all the answers

Which cells are being heavily studied in terms of creating longer-lasting vaccines?

<p>Dendritic cells (C)</p> Signup and view all the answers

What type of cells secrete antibodies?

<p>B-cells (C)</p> Signup and view all the answers

Which cells are highly specific and respond to a specific threat?

<p>B-cells (B)</p> Signup and view all the answers

What are the two main classes of T-cells?

<p>Helper T-cells and Killer T-cells (C)</p> Signup and view all the answers

Which cells kill tumor cells and virally infected cells?

<p>Killer T-cells (A)</p> Signup and view all the answers

Which of the following is an example of a disease associated with bacteria?

<p>Strep throat (A)</p> Signup and view all the answers

Which immune system response occurs between 0-4 hours and is also known as the non-induced, non-specific immune response?

<p>Phase 1 response (D)</p> Signup and view all the answers

Which of the following is NOT a common example of a disease associated with fungi?

<p>Tuberculosis (B)</p> Signup and view all the answers

Which branch of the immune system is also known as the non-specific immune system?

<p>Innate immune system (A)</p> Signup and view all the answers

Which of the following is NOT a category of disease mentioned in the text?

<p>Infectious disease (C)</p> Signup and view all the answers

Which of the following is an example of a communicable disease?

<p>Influenza (A)</p> Signup and view all the answers

What is the primary function of the immune system?

<p>To protect from both nonself and self-agents (C)</p> Signup and view all the answers

What is the role of the spleen in the immune system?

<p>To dispose of dead immune cells and pathogens (B)</p> Signup and view all the answers

Which tissue is responsible for the production of all T-cells in the body?

<p>Thymus (A)</p> Signup and view all the answers

Which immune cells differentiate or mature in the bone marrow?

<p>B-cells (B)</p> Signup and view all the answers

Which organ is considered the largest in the lymph system?

<p>Spleen (B)</p> Signup and view all the answers

Which immune system is always active and attacks all invaders in the same way?

<p>Non-specific immune system (C)</p> Signup and view all the answers

Which section of the course discusses the basics of disease?

<p>Section 2: Basics of Disease (C)</p> Signup and view all the answers

What are the key functions of the immune system?

<p>Detecting and engulfing pathogens (B)</p> Signup and view all the answers

Which cells of the immune system are highly specific and respond to a specific threat?

<p>T-cells (D)</p> Signup and view all the answers

Which tissue is responsible for the production of all immune cells?

<p>Bone marrow (A)</p> Signup and view all the answers

Which cells are responsible for the memory aspect of immunology and are being heavily studied for longer-lasting vaccines?

<p>Dendritic cells (A)</p> Signup and view all the answers

Which cells secrete antibodies as part of the specific immune system?

<p>B-cells (A)</p> Signup and view all the answers

Which cells respond to a specific threat and are highly specific?

<p>B-cells (A)</p> Signup and view all the answers

Which class of T-cells creates signaling molecules known as cytokines?

<p>Helper T-cells (C)</p> Signup and view all the answers

Which class of T-cells kills tumor cells and virally infected cells?

<p>Killer T-cells (A)</p> Signup and view all the answers

Which immune cells are nonspecific and their mission is to detect and engulf or eat pathogens?

<p>Neutrophils (B)</p> Signup and view all the answers

Which immune cells secrete cytotoxins, toxic chemicals that kill pathogens?

<p>Eosinophils (A)</p> Signup and view all the answers

Which immune cells are usually found inside tissues and their first mission is to detect and destroy pathogens?

<p>Macrophages (B)</p> Signup and view all the answers

Which immune cells act similar to macrophages and play a critical role in the overall immune response?

<p>Dendritic cells (C)</p> Signup and view all the answers

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