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Introduction to Cells of the Immune System quiz

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  • What are the two main types of cells involved in the second line of defense of innate immunity?
    The two main types are sentinel cells, which detect invading microbes, and innate effectors, which eliminate identified microbes.
  • What is the primary function of sentinel cells in the immune system?
    Sentinel cells act as lookout or guard cells, detecting the presence of invading microbes.
  • What role do innate effectors play in the immune response?
    Innate effectors create security responses that eliminate microbes identified by the scanning systems.
  • Where does hematopoiesis, the development of blood cells, occur?
    Hematopoiesis occurs in the bone marrow.
  • What are hematopoietic stem cells capable of differentiating into?
    They can differentiate into either common myeloid progenitor cells or common lymphoid progenitor cells.
  • What are the three major types of blood cells derived from progenitor cells?
    The three major types are red blood cells (erythrocytes), platelets, and white blood cells (leukocytes).
  • What is the main function of erythrocytes?
    Erythrocytes transport oxygen gas throughout the blood to all tissues.
  • What is the primary role of platelets in the body?
    Platelets are important for blood clotting.
  • What are leukocytes and what is their main function?
    Leukocytes are white blood cells important for the host's immune system.
  • How are leukocytes classified?
    Leukocytes are classified into granulocytes and agranulocytes.
  • Which cells are considered granulocytes?
    Granulocytes include neutrophils, eosinophils, and basophils.
  • Which cells are part of innate immunity among the leukocytes?
    Granulocytes, monocytes, macrophages, dendritic cells, and natural killer cells are part of innate immunity.
  • Which two cell types are part of adaptive immunity?
    T cells and B cells are part of adaptive immunity.
  • What are lymphocytes and which cells are included in this category?
    Lymphocytes are a type of white blood cell and include natural killer cells, T cells, and B cells.
  • Which lymphocyte is part of innate immunity and which are part of adaptive immunity?
    Natural killer cells are part of innate immunity, while T cells and B cells are part of adaptive immunity.