13 Questions
What is the process of proliferation, differentiation, and mature blood cell release called?
Haemopoiesis
During which stage of life does hemopoiesis occur in the liver and spleen?
2-7 m
In adults, where does hemopoiesis mainly occur?
Axial skeleton and proximal end of long bones
Which type of cells are able to give rise to all blood cell lines and have the ability for self-renewal?
Stem cells
Which type of anemia is characterized by a deficiency in iron metabolism?
Iron deficiency anemia
What factor is required for stem cells to work effectively in the process of hemopoiesis?
Suitable microenvironment
What is the main difference between red marrow and yellow marrow in the bone marrow?
Red marrow is the site of active hemopoiesis, while yellow marrow consists mainly of fat cells.
What event triggers the secretion of Erythropoietin (Epo) in the body?
Reduced oxygen levels in the blood
What is the normal range of reticulocytes in the peripheral blood?
0.5-2.5%
What is the lifespan of mature red blood cells (RBCs)?
120 days
Which hormone suppresses erythropoiesis?
Estrogen
In which conditions does extramedullary hemopoiesis occur?
Severe chronic hemolytic anemia and bone marrow fibrosis
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?
Erythropoiesis
Test your knowledge on hemopoiesis, erythropoiesis, hematological investigations, anemias, iron metabolism, and differential diagnosis of hypochromic and megaloblastic anemias.
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