Anatomy of the Immune System: Lymphoid Organs and Blood Cells
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Questions and Answers

Which of the following is NOT a type of granulocyte?

  • Lymphocyte (correct)
  • Neutrophil
  • Basophil
  • Eosinophil
  • What is the function of eosinophils?

  • Formation of pus
  • Role in ending allergic reactions (correct)
  • Phagocytosis of bacteria
  • Formation of blood cells
  • Which leukocyte type has pink granules in its cytoplasm?

  • Monocytes
  • Lymphocytes
  • Basophils
  • Neutrophils (correct)
  • Where does hematopoiesis occur predominantly?

    <p>Red bone marrow</p> Signup and view all the answers

    Which type of leukocytes are phagocytic?

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

    What is the function of basophils?

    <p>Role in allergic reactions</p> Signup and view all the answers

    Where does haematopoiesis take place in humans?

    <p>Red marrow</p> Signup and view all the answers

    Which component of bone marrow produces approximately 500 billion blood cells per day?

    <p>Hematopoietic component</p> Signup and view all the answers

    What separates the red pulp from the white pulp in the spleen?

    <p>Diffuse marginal zone</p> Signup and view all the answers

    Where are Cutaneous and Mucosal Lymphoid Organs located?

    <p>Under the epithelia of skin, GIT, and respiratory tracts</p> Signup and view all the answers

    Which organ serves as a big lymph node but is not supplied by lymphatic vessels?

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

    Where do immune cells sample the antigens of microbes that might enter the body?

    <p>Lymph nodes</p> Signup and view all the answers

    What are the primary lymphoid organs of the immune system?

    <p>Bone marrow and thymus</p> Signup and view all the answers

    Which organ is considered the primary lymphoid organ for B cell development?

    <p>Bone marrow</p> Signup and view all the answers

    At what age does the generation of T cells from the thymus drop to 2% of newborn levels?

    <p>65</p> Signup and view all the answers

    Which organ collects antigens from the blood stream?

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

    What are the innate immune cells mentioned in the text?

    <p>Macrophages, neutrophils, dendritic cells</p> Signup and view all the answers

    Where do the immune cells spend most of their time according to the text?

    <p>In lymphoid organs</p> Signup and view all the answers

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