Innate Immunity: Phagocytes Quiz
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Questions and Answers

What is the main role of professional phagocytic macrophages?

  • Destroying red blood cells
  • Assisting in blood clotting
  • Removing particulate antigens (correct)
  • Producing antibodies
  • Which type of cell is larger than most lymphocytes, has a horseshoe-shaped nucleus, and lives for months?

  • Eosinophils
  • Basophils
  • Neutrophils (correct)
  • NK cells
  • What is the main function of neutrophils in the human body?

  • Aiding in bone formation
  • Assisting in blood sugar regulation
  • Producing hormones
  • Playing a role in acute inflammation (correct)
  • Where do circulating monocytes migrate to before becoming macrophages?

    <p>Various organs (C)</p> Signup and view all the answers

    Which cells are responsible for margination and adhesion during the process of leaving circulation?

    <p>Neutrophils (D)</p> Signup and view all the answers

    What is the main role of mononuclear phagocytes such as monocytes and macrophages?

    <p>Remove foreign particles (B)</p> Signup and view all the answers

    Which type of cells are capable of phagocytosing & killing ingested microorganisms?

    <p>Eosinophils (B)</p> Signup and view all the answers

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

    <p>Blood clotting (D)</p> Signup and view all the answers

    Which cells express neither B cells nor T cells antigen receptor?

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

    Which leukocytes play a specialized role in immunity to parasitic worms?

    <p>Eosinophils (C)</p> Signup and view all the answers

    What is the primary role of acid hydrolases found in primary (azurophilic) lymphocytes?

    <p>Breaking down cellular components (C)</p> Signup and view all the answers

    What is the main function of neutrophils in the human body?

    <p>Playing an important role in acute inflammation (C)</p> Signup and view all the answers

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

    <p>Assisting in clotting to prevent blood loss (B)</p> Signup and view all the answers

    Which type of cells are capable of phagocytosing & killing ingested microorganisms?

    <p>Neutrophils (C)</p> Signup and view all the answers

    What is the main role of professional phagocytic macrophages?

    <p>Taking up, processing, and presenting antigenic peptides to T cells (B)</p> Signup and view all the answers

    Which cells express neither B cells nor T cells antigen receptor?

    <p>Platelets (D)</p> Signup and view all the answers

    Which of the following is NOT a characteristic of basophils?

    <p>Capable of phagocytosing &amp; killing ingested microorganisms (B)</p> Signup and view all the answers

    What is the primary role of mast cells in the immune response?

    <p>Enhance inflammation and play a role in immunity against parasites (A)</p> Signup and view all the answers

    Which of the following is NOT a role of platelets in the immune response?

    <p>Produce histamine (B)</p> Signup and view all the answers

    What is the main function of natural killer (NK) cells in the immune system?

    <p>Play a role in immunity against parasites, by enhancing inflammation (D)</p> Signup and view all the answers

    Which of the following is NOT a characteristic of secondary (specific) lymphocytes?

    <p>Found in very small number (0.2%) in circulation (B)</p> Signup and view all the answers

    What is the primary role of acid hydrolases found in primary (azurophilic) lymphocytes?

    <p>Contain antibiotic protein (D)</p> Signup and view all the answers

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