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

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

<p>Iron deficiency anemia (B)</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 (B)</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. (D)</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 (D)</p> Signup and view all the answers

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

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

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

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

Which hormone suppresses erythropoiesis?

<p>Estrogen (A)</p> Signup and view all the answers

In which conditions does extramedullary hemopoiesis occur?

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

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