Leukemia: Blood System Pathology

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Questions and Answers

What is the term for malignant neoplasms of hematopoietic tissue?

  • Leukocytosis
  • Leukemia
  • Hemoblastoses (correct)
  • Leukopenia

What is the main characteristic of leukemia cells compared to normal blood cells?

  • They have a longer lifespan
  • They undergo a significantly greater number of division cycles (correct)
  • They undergo fewer division cycles
  • They are smaller in size

What is NOT a characteristic of leukemia?

  • Reactive condition to an infection (correct)
  • Ability to metastasize
  • Morphological and metabolic anaplasia of cells
  • Impaired ability of cells to differentiate

What is the result of uncontrolled cell growth in leukemia?

<p>Formation of foci of pathological hematopoiesis in organs and tissues (A)</p> Signup and view all the answers

What is one of the possible etiological factors contributing to the development of leukemia?

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

What is the key difference between leukemia and leukocytosis?

<p>Leukemia is a tumor, while leukocytosis is a reactive condition (A)</p> Signup and view all the answers

What is the primary factor that contributes to the development of leukemia?

<p>All of the above (D)</p> Signup and view all the answers

According to the mutation-clonal theory, what is the origin of leukemia based on?

<p>Mutation and tumor transformation of early hematopoietic precursor cells (B)</p> Signup and view all the answers

What is the characteristic of the monoclonal stage of leukemia development?

<p>Tumor cells are sensitive to chemotherapy (A)</p> Signup and view all the answers

What occurs in the cells that make up the tumor substrate during the development of leukemia?

<p>Qualitative changes occur due to the instability of their genetic apparatus (D)</p> Signup and view all the answers

What is the result of the emergence of new clones of tumor cells during the development of leukemia?

<p>Leukemic cells become resistant to cytostatic therapy (C)</p> Signup and view all the answers

What is the characteristic of the polyclonal stage of leukemia development?

<p>Formation of multiple clones of leukemic cells (D)</p> Signup and view all the answers

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