Immune Response and Immunity Quiz
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Questions and Answers

What is the liquid portion of blood known as?

  • Leukocytes
  • Serum
  • Erythrocytes
  • Plasma (correct)

    • Which cells are the most abundant in the blood?

  • Thrombocytes
  • Granulocytes
  • Erythrocytes (correct)
  • Leukocytes

    • What is the approximate ratio of thrombocytes to erythrocytes in the blood?

  • 1:1000
  • 1:20 (correct)
  • 1:200
  • 1:700

    • Which group of leukocytes have granules in their cytoplasm?

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

    Which factor can lead to the development of fine lines and wrinkles in the skin?

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

    What skin condition is associated with aging?

    <p>Varicose veins</p> Signup and view all the answers

    What can significantly reduce immune function?

    <p>Diet rich in saturated fat and animal protein</p> Signup and view all the answers

    What can boost immunity in elderly persons?

    <p>Multi vitamin and multi mineral supplements</p> Signup and view all the answers

    What is associated with an increased risk of infection?

    <p>Very prolonged bouts of exercise</p> Signup and view all the answers

    What can affect the immune system in a negative way?

    <p>Mood disorders</p> Signup and view all the answers

    What can lead to the production of autoantibodies attacking their own cells in elderly individuals?

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

    What is responsible for the proper functioning of the immune system?

    <p>Proper nutrition</p> Signup and view all the answers

    What is the main function of neutrophils?

    <p>Playing a crucial role in fighting infections</p> Signup and view all the answers

    Which leukocyte is associated with allergic diseases and parasite infections?

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

    What is the main function of B cells?

    <p>Antigen interaction and antibody production</p> Signup and view all the answers

    Which leukocyte protects against infections by killing and ingesting pathogens?

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

    What do granulocytes contain in their cytoplasm?

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

    Which leukocyte is the most abundant granulocyte?

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

    What is the main function of T cells?

    <p>Differentiating into helper, cytotoxic, and suppressor cells</p> Signup and view all the answers

    Which leukocyte is involved in inflammatory reactions related to allergies and asthma?

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

    What is the main function of monocytes?

    <p>Protecting against blood-borne pathogens</p> Signup and view all the answers

    What do agranulocytes like lymphocytes produce?

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

    What is the study of the immune system's defense against infections called?

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

    What type of immunity includes barriers like skin, mucous membrane, and secreted fluids?

    <p>Innate immunity</p> Signup and view all the answers

    Which cells destroy microorganisms through phagocytosis?

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

    What triggers an immune response by breaking down pathogens and generating antigens?

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

    When does acquired immunity occur?

    <p>Upon exposure to an infectious agent or live pathogen</p> Signup and view all the answers

    What is an example of naturally acquired passive immunity?

    <p>Transfer of antibodies from mother to fetus</p> Signup and view all the answers

    What triggers active immunity?

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

    What are the characteristics of immune response?

    <p>Specificity, distinguishing self from non-self molecules, and reliance on memory</p> Signup and view all the answers

    What happens during the primary immune response?

    <p>Slow activation of cells and memory cell production</p> Signup and view all the answers

    What occurs during the secondary immune response?

    <p>Faster response due to memory cells</p> Signup and view all the answers

    What is involved in antibody-mediated immune response?

    <p>Interactions between pathogens, innate and acquired immune systems, and the production of plasma cells and memory cells</p> Signup and view all the answers

    What is involved in cell-mediated immune response?

    <p>Macrophages presenting antigens to helper T cells, leading to activation of Tc cells that attack infected cells</p> Signup and view all the answers

    What is the role of passive immunity in artificial acquisition?

    <p>Through injection</p> Signup and view all the answers

    What are the major phagocytic cells involved in destroying microorganisms?

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

    What is the liquid portion of blood known as?

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

    What is the approximate ratio of leukocytes to erythrocytes in the blood?

    <p>1:700</p> Signup and view all the answers

    What are the most abundant cells found in the blood?

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

    Which white blood cells have granules in their cytoplasm and are referred to as polymorphonuclear leukocytes?

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

    What skin condition is associated with aging?

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

    What can significantly reduce immune function?

    <p>Diet rich in saturated fat and animal protein</p> Signup and view all the answers

    What can boost immunity in elderly persons?

    <p>Multi vitamin and multi mineral supplements</p> Signup and view all the answers

    What is the role of B cells in the immune system?

    <p>Production of antibodies</p> Signup and view all the answers

    What occurs during the secondary immune response?

    <p>Rapid production of antibodies</p> Signup and view all the answers

    What is the main function of monocytes in the immune system?

    <p>Phagocytosis of pathogens</p> Signup and view all the answers

    What can affect the immune system in a negative way?

    <p>Mood disorders</p> Signup and view all the answers

    What is responsible for the proper functioning of the immune system?

    <p>Proper nutrition</p> Signup and view all the answers

    Which leukocyte is involved in inflammatory reactions related to allergies and asthma?

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

    What is the main function of NK cells?

    <p>Killing and ingesting pathogens</p> Signup and view all the answers

    What is the study of the immune system's defense against infections called?

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

    What is the main function of B cells?

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

    Which leukocyte is the most abundant granulocyte?

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

    What do agranulocytes like lymphocytes produce?

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

    Which leukocyte protects the body against blood-borne pathogens?

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

    What is the main function of T cells?

    <p>Differentiating into helper cells</p> Signup and view all the answers

    What are the common terms in immunology?

    <p>Immunity, antibodies, antigens</p> Signup and view all the answers

    What type of immunity includes barriers like skin, mucous membrane, and secreted fluids?

    <p>Innate immunity</p> Signup and view all the answers

    What is the main function of granulocytes?

    <p>Killing and ingesting pathogens</p> Signup and view all the answers

    What is the main function of monocytes?

    <p>Protecting against blood-borne pathogens</p> Signup and view all the answers

    Which cells are involved in the cell-mediated immune response by presenting antigens to helper T cells?

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

    What is the main function of dendritic cells in the immune response?

    <p>Presenting antigens to T cells</p> Signup and view all the answers

    Which immune response characteristic involves distinguishing self from non-self molecules?

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

    What triggers the development of long-term resistance in active immunity?

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

    Which leukocyte is primarily responsible for the production of antibodies in the antibody-mediated immune response?

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

    What is the primary function of natural killer cells in the immune response?

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

    What is the primary function of Tc cells in the immune response?

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

    Which leukocyte is involved in allergic reactions and defense against parasites?

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

    What is the primary function of macrophages in the immune response?

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

    Which immune response is triggered by the transfer of antibodies from mother to fetus?

    <p>Naturally acquired passive immunity</p> Signup and view all the answers

    What is the primary function of neutrophils in the immune response?

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

    Which immune response involves the production of specialized cells to kill pathogens?

    <p>Cell-mediated immune response</p> Signup and view all the answers

    What is the liquid portion of blood known as?

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

    What is the approximate ratio of leukocytes to erythrocytes in the blood?

    <p>1:700</p> Signup and view all the answers

    Which white blood cells have granules in their cytoplasm and are referred to as polymorphonuclear leukocytes?

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

    What are the most abundant cells found in the blood?

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

    Which factor can lead to the development of fine lines and wrinkles in the skin?

    <p>Reduced fat layer and loss of skin elasticity due to hormonal changes</p> Signup and view all the answers

    What can significantly reduce immune function?

    <p>Diet rich in saturated fat and animal protein</p> Signup and view all the answers

    What is responsible for the proper functioning of the immune system?

    <p>Proper nutrition</p> Signup and view all the answers

    What can boost immunity in elderly persons?

    <p>Multi vitamin and multi mineral supplements</p> Signup and view all the answers

    When the antibodies are produced, what happens to the duration of the response in elderly individuals?

    <p>The duration of the response is shorter</p> Signup and view all the answers

    What occurs during the secondary immune response?

    <p>Faster and more robust antibody production</p> Signup and view all the answers

    What is the primary function of Tc cells in the immune response?

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

    What is the main function of B cells?

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

    Which leukocyte is primarily responsible for the production of antibodies in the antibody-mediated immune response?

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

    What is the main function of dendritic cells in the immune response?

    <p>Present antigens to helper T cells</p> Signup and view all the answers

    What is the main function of NK cells?

    <p>Protect against infections by killing pathogens and foreign matter</p> Signup and view all the answers

    What is the main function of T cells?

    <p>Have antigen-specific receptors and differentiate into helper, cytotoxic, and suppressor cells</p> Signup and view all the answers

    What triggers the development of long-term resistance in active immunity?

    <p>Immune memory</p> Signup and view all the answers

    Which leukocyte is involved in inflammatory reactions related to allergies and asthma?

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

    What is the main function of monocytes?

    <p>Protect against blood-borne pathogens</p> Signup and view all the answers

    What is the main function of neutrophils?

    <p>Fight infections</p> Signup and view all the answers

    What triggers an immune response by breaking down pathogens and generating antigens?

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

    What type of immunity includes barriers like skin, mucous membrane, and secreted fluids?

    <p>Innate immunity</p> Signup and view all the answers

    What is the main function of granulocytes?

    <p>Fight infections</p> Signup and view all the answers

    What occurs during the primary immune response?

    <p>Initial exposure to an antigen</p> Signup and view all the answers

    Which type of immunity is subdivided into active and passive immunity?

    <p>Acquired immunity</p> Signup and view all the answers

    What is the primary function of dendritic cells in the immune response?

    <p>Presenting antigens to helper T cells</p> Signup and view all the answers

    What occurs during the primary immune response to an antigen?

    <p>Slow development and production of memory cells</p> Signup and view all the answers

    Which leukocyte is involved in inflammatory reactions related to allergies and asthma?

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

    What triggers the development of long-term resistance in active immunity?

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

    Which immune response involves interactions between pathogens, innate and acquired immune systems, and the production of plasma cells and memory cells?

    <p>Antibody-mediated immune response</p> Signup and view all the answers

    What is the main function of natural killer cells in the immune response?

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

    What is the liquid portion of blood known as?

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

    What is the primary function of Tc cells in the immune response?

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

    Which leukocyte protects the body against blood-borne pathogens?

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

    What type of immunity includes barriers like skin, mucous membrane, and secreted fluids?

    <p>Innate immunity</p> Signup and view all the answers

    What do granulocytes contain in their cytoplasm?

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

    Study Notes

    Immune Response and Immunity Overview

    • Phagocytes destroy microorganisms through phagocytosis and contain fluids that destroy pathogens.
    • Phagocytes trigger an immune response by breaking down pathogens and generating antigens.
    • Major phagocytic cells include dendritic cells, macrophages, natural killer cells, neutrophils, and eosinophils.
    • Acquired immunity occurs when exposed to an infectious agent or live pathogen, subdivided into active and passive immunity.
    • Passive immunity can be naturally acquired (e.g., transfer of antibodies from mother to fetus) or artificially acquired (e.g., through injection).
    • Active immunity is triggered by vaccines, leading to long-term resistance but with a slow development.
    • Immune response characteristics include specificity, distinguishing self from non-self molecules, and reliance on memory.
    • Primary immune response is slow on first exposure to an antigen, producing activated cells and memory cells.
    • Secondary immune response is faster upon second exposure, due to the rapid response of memory cells.
    • Immune response can be antibody-mediated (production of antibodies) or cell-mediated (production of specialized cells to kill pathogens).
    • Antibody-mediated immune response involves interactions between pathogens, innate and acquired immune systems, and the production of plasma cells and memory cells.
    • Cell-mediated immune response involves macrophages presenting antigens to helper T cells, leading to activation of Tc cells that attack infected cells.

    Immune Response and Immunity Overview

    • Phagocytes destroy microorganisms through phagocytosis and contain fluids that destroy pathogens.
    • Phagocytes trigger an immune response by breaking down pathogens and generating antigens.
    • Major phagocytic cells include dendritic cells, macrophages, natural killer cells, neutrophils, and eosinophils.
    • Acquired immunity occurs when exposed to an infectious agent or live pathogen, subdivided into active and passive immunity.
    • Passive immunity can be naturally acquired (e.g., transfer of antibodies from mother to fetus) or artificially acquired (e.g., through injection).
    • Active immunity is triggered by vaccines, leading to long-term resistance but with a slow development.
    • Immune response characteristics include specificity, distinguishing self from non-self molecules, and reliance on memory.
    • Primary immune response is slow on first exposure to an antigen, producing activated cells and memory cells.
    • Secondary immune response is faster upon second exposure, due to the rapid response of memory cells.
    • Immune response can be antibody-mediated (production of antibodies) or cell-mediated (production of specialized cells to kill pathogens).
    • Antibody-mediated immune response involves interactions between pathogens, innate and acquired immune systems, and the production of plasma cells and memory cells.
    • Cell-mediated immune response involves macrophages presenting antigens to helper T cells, leading to activation of Tc cells that attack infected cells.

    Immune Response and Immunity Overview

    • Phagocytes destroy microorganisms through phagocytosis and contain fluids that destroy pathogens.
    • Phagocytes trigger an immune response by breaking down pathogens and generating antigens.
    • Major phagocytic cells include dendritic cells, macrophages, natural killer cells, neutrophils, and eosinophils.
    • Acquired immunity occurs when exposed to an infectious agent or live pathogen, subdivided into active and passive immunity.
    • Passive immunity can be naturally acquired (e.g., transfer of antibodies from mother to fetus) or artificially acquired (e.g., through injection).
    • Active immunity is triggered by vaccines, leading to long-term resistance but with a slow development.
    • Immune response characteristics include specificity, distinguishing self from non-self molecules, and reliance on memory.
    • Primary immune response is slow on first exposure to an antigen, producing activated cells and memory cells.
    • Secondary immune response is faster upon second exposure, due to the rapid response of memory cells.
    • Immune response can be antibody-mediated (production of antibodies) or cell-mediated (production of specialized cells to kill pathogens).
    • Antibody-mediated immune response involves interactions between pathogens, innate and acquired immune systems, and the production of plasma cells and memory cells.
    • Cell-mediated immune response involves macrophages presenting antigens to helper T cells, leading to activation of Tc cells that attack infected cells.

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    Description

    Test your knowledge of the immune response and immunity with this quiz. Explore the roles of phagocytes, acquired immunity, passive and active immunity, immune response characteristics, primary and secondary immune responses, and antibody-mediated versus cell-mediated immune responses.

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