Immunology Lec 1
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Questions and Answers

Which of the following are the two branches of the immune system?

  • Innate and acquired (correct)
  • Primary and secondary
  • Antibody-mediated and cell-mediated
  • Passive and active
  • What are the main functions of the immune system?

  • Produce hormones, store nutrients, and filter blood
  • Digest food, regulate body temperature, and control movement
  • Maintain bone density, regulate heart rate, and circulate oxygen
  • Prevent infections, control infections, and eliminate pathogens (correct)
  • What are the types of immunity mentioned in the text?

  • Innate and passive (correct)
  • Inherited and acquired
  • Natural and artificial
  • Cellular and humoral
  • What are the effector mechanisms within each type of immunity?

    <p>Complement system and phagocytosis</p> Signup and view all the answers

    Which component of the immune system responds to non-self antigens rather than specific pathogens?

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

    What is the single most important attribute of the immune system as stated in the text?

    <p>Ability to differentiate self from non-self</p> Signup and view all the answers

    What is the primary function of lymph nodes in the immune system?

    <p>Removal of antigens</p> Signup and view all the answers

    Which component of the immune system is responsible for antibody production?

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

    What is the function of PAMP recognition in the innate immune system?

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

    Which blood component is involved in immunity and circulates in/out of the bloodstream?

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

    What is the network of vessels and nodes that circulate and filter lymph called?

    <p>Lymphatic system</p> Signup and view all the answers

    Which type of immunity responds to non-self antigens rather than specific pathogens?

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

    Which type of immune response involves the production of antibodies to protect against extracellular pathogens and products?

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

    Which branch of adaptive immunity protects against intracellular pathogens and is carried out by specialized T cells?

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

    What type of immune response is non-specific, always on, and relies on chemical and cellular barriers?

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

    Which type of immunity protects against pathogens at the interface with mucosal tissues or within mucosal tissues and makes up most of our adaptive immune responses?

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

    What are the key cellular components of adaptive immunity?

    <p>Lymphocytes, leukocytes, and antigen-presenting cells</p> Signup and view all the answers

    How does innate immunity regulate adaptive immunity?

    <p>Through complement proteins and cytokines</p> Signup and view all the answers

    What type of immune response involves interactions between the innate and adaptive immune branches, with each branch affecting the other?

    <p>Adaptive immune responses</p> Signup and view all the answers

    What triggers an immune response through recognition of conserved structures on many pathogens but not on self?

    <p>Aureus bacterium</p> Signup and view all the answers

    What is a specific, targeted response that gets better with each encounter and provides memory for the next encounter?

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

    Which type of immunity is non-specific, always on, relying on chemical and cellular barriers?

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

    What triggers an immune response through recognition of conserved structures on many pathogens but not on self?

    <p>PAMP recognition</p> Signup and view all the answers

    Which branch of adaptive immunity protects against intracellular pathogens and is carried out by specialized T cells?

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

    How does adaptive immunity regulate innate immunity?

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

    What are the effector mechanisms within humoral immunity?

    <p>Antibody production</p> Signup and view all the answers

    Which type of immune response involves interactions between the innate and adaptive immune branches, with each branch affecting the other?

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

    What is the network of vessels and nodes that circulate and filter lymph called?

    <p>Lymphatic system</p> Signup and view all the answers

    What is the primary function of lymph nodes in the immune system?

    <p>Filter lymph and trap pathogens</p> Signup and view all the answers

    Which component of the immune system responds to non-self antigens rather than specific pathogens?

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

    What are the key cellular components of adaptive immunity?

    <p>Lymphocytes, leukocytes, and antigen-presenting cells</p> Signup and view all the answers

    Which immune response involves a specific, targeted response that improves with each encounter and provides memory for the next encounter?

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

    What triggers an immune response through recognition of conserved structures on many pathogens but not on self?

    <p>PAMP recognition</p> Signup and view all the answers

    What are the key cellular components of adaptive immunity?

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

    What is the network of vessels and nodes that circulate and filter lymph called?

    <p>Lymphatic system</p> Signup and view all the answers

    What is the primary function of lymph nodes in the immune system?

    <p>Filter lymph</p> Signup and view all the answers

    Which branch of adaptive immunity protects against intracellular pathogens and is carried out by specialized T cells?

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

    What type of immune response is non-specific, always on, and relies on chemical and cellular barriers?

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

    Which component of the immune system responds to non-self antigens rather than specific pathogens?

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

    What are the main functions of the immune system?

    <p>Provide defense against infection and disease</p> Signup and view all the answers

    What component of the immune system is responsible for antibody production?

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

    Which of the following is NOT an effector mechanism of innate immunity?

    <p>Antibody neutralization</p> Signup and view all the answers

    What is the primary function of lymph nodes in the immune system?

    <p>Filter interstitial fluids and remove antigens</p> Signup and view all the answers

    Which component of the immune system circulates in/out of the bloodstream and lymphatic system?

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

    What is the difference between lymph and interstitial fluid?

    <p>Location within the body</p> Signup and view all the answers

    Which type of immunity responds to non-self antigens rather than specific pathogens?

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

    What is the single most important attribute of the immune system according to the text?

    <p>Antigen-specific receptors (antibodies, TCRs, MHCs)</p> Signup and view all the answers

    What happens if the immune system fails to recognize non-self antigens?

    <p>Autoimmune disease</p> Signup and view all the answers

    What are the two parts/activities of an immune response mentioned in the text?

    <p>Recognition of antigen and effector mechanisms</p> Signup and view all the answers

    What is the network of vessels and nodes that circulate and filter plasma-derived fluid called?

    <p>Lymphatic system</p> Signup and view all the answers

    Which type of immunity is always on, non-specific, and relies on chemical and cellular barriers?

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

    Study Notes

    • Aureus bacterium triggers an immune response through recognition of conserved structures on many pathogens but not on self

    • Innate immunity initiates inflammatory responses to remove or contain pathogens and help in tissue repair

    • Adaptive immunity is a specific, targeted response that gets better with each encounter and provides memory for next encounter

    • Adaptive immunity can be divided into three types: humoral, cell-mediated, and mucosal

    • Humoral immunity involves the production of antibodies to protect against extracellular pathogens and products

    • Cell-mediated immunity protects against intracellular pathogens and is carried out by specialized T cells

    • Mucosal immunity protects against pathogens at the interface with mucosal tissues or within mucosal tissues and makes up most of our adaptive immune responses

    • Lymphocytes, leukocytes, and antigen-presenting cells are key cellular components of adaptive immunity

    • Adaptive immune responses involve interactions between the innate and adaptive immune branches, with each branch affecting the other

    • Innate immunity regulates adaptive immunity through complement proteins and cytokines, while adaptive immunity regulates innate immunity through T cells and antibodies

    • Innate immunity is non-specific and always on, relying on chemical and cellular barriers, while adaptive immunity is specific and requires activation and memory.

    • Aureus bacterium triggers an immune response through recognition of conserved structures on many pathogens but not on self

    • Innate immunity initiates inflammatory responses to remove or contain pathogens and help in tissue repair

    • Adaptive immunity is a specific, targeted response that gets better with each encounter and provides memory for next encounter

    • Adaptive immunity can be divided into three types: humoral, cell-mediated, and mucosal

    • Humoral immunity involves the production of antibodies to protect against extracellular pathogens and products

    • Cell-mediated immunity protects against intracellular pathogens and is carried out by specialized T cells

    • Mucosal immunity protects against pathogens at the interface with mucosal tissues or within mucosal tissues and makes up most of our adaptive immune responses

    • Lymphocytes, leukocytes, and antigen-presenting cells are key cellular components of adaptive immunity

    • Adaptive immune responses involve interactions between the innate and adaptive immune branches, with each branch affecting the other

    • Innate immunity regulates adaptive immunity through complement proteins and cytokines, while adaptive immunity regulates innate immunity through T cells and antibodies

    • Innate immunity is non-specific and always on, relying on chemical and cellular barriers, while adaptive immunity is specific and requires activation and memory.

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    Description

    Test your knowledge of the immune system with this quiz covering the two branches of the immune system and their distinctions. This quiz is based on learning objectives from Abbas: Cellular and Molecular Immunology, 2018.

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