Immune System and Phagocytosis
18 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Where does the maturation of B cells take place?

  • Lymph nodes
  • Spleen
  • Thymus gland
  • Bone marrow (correct)

    • Which cells are involved in the humoral immune response?

  • Macrophages
  • B cells (correct)
  • T cells
  • Killer cells

    • In the humoral response, what does a macrophage do as an Antigen-Presenting Cell (APC)?

  • Destroys infected host cells
  • Kills pathogens directly
  • Produces antibodies
  • Presents antigens on Major Histocompatibility Complexes (MHCs) (correct)

    • What is the role of T Helper cells in the humoral immune response?

    <p>Stimulate T Killer cell division</p> Signup and view all the answers

    What happens when Bacterium is engulfed by a macrophage in the humoral response?

    <p>Surface antigens are presented on MHCs</p> Signup and view all the answers

    What is the main function of B cells in the humoral immune response?

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

    During the effector stage of the humoral immune response, what is the role of plasma cells?

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

    What is the function of T Suppressor cells in the immune response?

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

    Which cells are formed through mitosis during the effector stage of the humoral immune response?

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

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

    <p>Neutralize toxins</p> Signup and view all the answers

    Which process makes microbes more visible and easier for phagocytes to engulf during the immune response?

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

    What distinguishes active immunity from passive immunity?

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

    What is the main difference between natural active immunity and natural passive immunity?

    <p>Natural active immunity arises from exposure to an antigen, while natural passive immunity results from maternal antibodies.</p> Signup and view all the answers

    Which type of immunity is acquired through vaccinations?

    <p>Active artificial immunity</p> Signup and view all the answers

    What is herd immunity and what percentage of vaccination is typically required to achieve it?

    <p>Herd immunity makes transmission of a disease very unlikely, typically requiring 80-90% vaccination.</p> Signup and view all the answers

    What is the process of protecting people from infection with passive or active artificial immunity called?

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

    Why does a secondary infection result in a faster and stronger immune response compared to a primary infection?

    <p>Due to the presence of Memory T and B lymphocytes from a previous infection.</p> Signup and view all the answers

    What distinguishes active artificial immunity from passive artificial immunity?

    <p>Active artificial immunity results from vaccinations, while passive artificial immunity involves injecting antibodies.</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser