M Hematopoiesis

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Questions and Answers

What is the cell that transforms into macrophages after entering the connective tissue spaces of the body?

  • Myeloblast
  • Lymphoblast
  • Monoblast
  • Promonocyte (correct)

Which cell type is responsible for producing more than 10 billion monocytes every day in the average adult?

  • Neutrophils
  • Macrophages (correct)
  • Basophils
  • Eosinophils

Where do B lymphocytes primarily differentiate into mature cells?

  • Bone marrow (correct)
  • Spleen
  • Lymph nodes
  • Thymus

What type of leukemia occurs in bone marrow and leads to a release of large numbers of immature cells into the blood?

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

In which condition does the marrow become nearly 100% cellular and can result in peripheral cytopenias?

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

What is the origin of platelets in adults?

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

What is the process by which platelets are formed from mature megakaryocytes?

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

How do erythrocytes enter the sinusoid in red bone marrow?

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

Which type of cells have the potential for further division after entering the bloodstream?

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

What is the best example of a condition resulting in highly cellular marrow and peripheral cytopenias?

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

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