Hematopoiesis Process Overview
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Questions and Answers

Where does definitive hematopoiesis occur during embryonic life?

  • Yolk sac (correct)
  • Bone marrow
  • Spleen
  • Liver
  • What is the primary function of hematopoiesis?

  • Regulation of body temperature
  • Renewal and specialization of blood cells (correct)
  • Digestion of nutrients
  • Production of hormones
  • When does hematopoiesis start?

  • During adolescence
  • During embryonic life (correct)
  • In old age
  • At birth
  • Which region of the developing embryo is associated with definitive hematopoiesis?

    <p>Aorta–gonad–mesonephros (AGM) region</p> Signup and view all the answers

    Which blood cell lines are involved in hematopoiesis?

    <p>(RBCs) Red Blood Cells, (WBCs) White Blood Cells, and Platelets</p> Signup and view all the answers

    During fetal life, which organs are the major hematopoietic organs from 6 weeks until 6–7 months?

    <p>Liver and spleen</p> Signup and view all the answers

    At what stage of gestation does hematopoiesis begin to occur in the bone marrow?

    <p>4 to 5 months</p> Signup and view all the answers

    When does hemopoiesis become confined to the bone marrow after birth?

    <p>Between the fourth and fifth month of fetal development</p> Signup and view all the answers

    Where is medullary hematopoiesis confined to after birth?

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

    Which organ contributes to fetal hematopoiesis in addition to the liver and spleen?

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

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