Hematopathology: Blood Formation and Anemias
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Questions and Answers

What is the process of proliferation, differentiation, and mature blood cell release called?

  • Leucopoiesis
  • Thrombopoiesis
  • Haemopoiesis (correct)
  • Erythropoiesis
  • During which stage of life does hemopoiesis occur in the liver and spleen?

  • 2-7 m (correct)
  • Fetus 0-2 m
  • Infant
  • 5-9 m
  • In adults, where does hemopoiesis mainly occur?

  • Axial skeleton and proximal end of long bones (correct)
  • Liver
  • Yolk sac
  • All bones
  • Which type of cells are able to give rise to all blood cell lines and have the ability for self-renewal?

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

    Which type of anemia is characterized by a deficiency in iron metabolism?

    <p>Iron deficiency anemia</p> Signup and view all the answers

    What factor is required for stem cells to work effectively in the process of hemopoiesis?

    <p>Suitable microenvironment</p> Signup and view all the answers

    What is the main difference between red marrow and yellow marrow in the bone marrow?

    <p>Red marrow is the site of active hemopoiesis, while yellow marrow consists mainly of fat cells.</p> Signup and view all the answers

    What event triggers the secretion of Erythropoietin (Epo) in the body?

    <p>Reduced oxygen levels in the blood</p> Signup and view all the answers

    What is the normal range of reticulocytes in the peripheral blood?

    <p>0.5-2.5%</p> Signup and view all the answers

    What is the lifespan of mature red blood cells (RBCs)?

    <p>120 days</p> Signup and view all the answers

    Which hormone suppresses erythropoiesis?

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

    In which conditions does extramedullary hemopoiesis occur?

    <p>Severe chronic hemolytic anemia and bone marrow fibrosis</p> Signup and view all the answers

    What is the process that results in the formation of non-nucleated red cells with diffusely basophilic cytoplasm, which are slightly larger than mature RBCs?

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

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