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Immune System and Lymphatic System Overview
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Immune System and Lymphatic System Overview

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Questions and Answers

Which cells are responsible for coordinating the adaptive immune response?

  • Phagocytes
  • Lymphocytes (correct)
  • Granular cells
  • Plasma cells
  • What is the function of B cells in the immune system?

  • Innate immune response
  • Phagocytosis
  • Secreting antibodies (correct)
  • Killing infected cells
  • Where do T cells mature in the human body?

  • Yellow bone marrow
  • Thymus gland (correct)
  • Spleen
  • Bone marrow
  • What is the major function of natural killer cells in the immune system?

    <p>Killing infected cells</p> Signup and view all the answers

    Which type of immune response is rapid but non-specific?

    <p>Innate immune response</p> Signup and view all the answers

    What is the primary role of plasma cells in the immune system?

    <p>Producing antibodies</p> Signup and view all the answers

    What is the function of pattern recognition receptors in the immune system?

    <p>Recognizing pathogens or molecules to identify what to attack</p> Signup and view all the answers

    Which cell type is responsible for presenting antigens on the surface attached to a major histocompatibility complex (MHC) molecule?

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

    What is the primary function of regulatory T cells in the immune system?

    <p>Suppress other T cell immune responses</p> Signup and view all the answers

    Which antibody class is mainly associated with allergic responses and anaphylaxis?

    <p>IgE</p> Signup and view all the answers

    What is the main role of Th1 cells in the immune system?

    <p>Enhance activity of macrophages and other T cells</p> Signup and view all the answers

    Which cell type eliminates T cells that may attack the body's own cells during development?

    <p>Regulatory T cells</p> Signup and view all the answers

    What is the main function of opsonization in the immune response?

    <p>Tagging a pathogen for phagocytosis</p> Signup and view all the answers

    What is the primary role of interferons in the immune response?

    <p>Telling nearby cells to produce antiviral proteins</p> Signup and view all the answers

    What distinguishes acute inflammation from chronic inflammation in the immune response?

    <p>Chronic response is ongoing due to foreign bodies and autoimmune diseases</p> Signup and view all the answers

    What is the function of granzymes in the immune response?

    <p>Putting holes in infected cell membranes</p> Signup and view all the answers

    What is the primary function of lymph nodes?

    <p>To filter lymph fluid and remove debris and pathogens</p> Signup and view all the answers

    What is the role of macrophages and dendritic cells in lymph nodes?

    <p>They kill many pathogens that enter the lymph nodes</p> Signup and view all the answers

    What is the function of lymphoid nodules found in the respiratory and digestive tracts?

    <p>To help develop immunity to pathogens in the respiratory and digestive systems</p> Signup and view all the answers

    What is the purpose of mucosa-associated lymphoid tissue (MALT) found in various parts of the body?

    <p>To help develop local immunity in the tissues where it is found</p> Signup and view all the answers

    What is the most serious inherited type of immunodeficiency disease?

    <p>Severe combined immunodeficiency disease (SCID)</p> Signup and view all the answers

    Which of the following statements about HIV/AIDS is true?

    <p>It infects and kills helper T cells, leading to opportunistic infections.</p> Signup and view all the answers

    In type 1 hypersensitivity reactions, what is the role of IgE?

    <p>IgE binds to mast cells, causing degranulation and rapid reactions.</p> Signup and view all the answers

    Which type of hypersensitivity reaction is characterized by the accumulation of antigens and antibodies along blood vessel linings, causing inflammation?

    <p>Type 3</p> Signup and view all the answers

    What is the typical time frame for the appearance of symptoms in a delayed type 4 hypersensitivity reaction, such as the tuberculin skin test?

    <p>24-72 hours</p> Signup and view all the answers

    Which of the following statements about autoimmune diseases is true?

    <p>They are caused by a breakdown in immune tolerance, leading to attacks on the body's own cells.</p> Signup and view all the answers

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