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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?

Formation of foci of pathological hematopoiesis in organs and tissues Signup and view all the answers

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

Ionizing radiation Signup and view all the answers

What is the key difference between leukemia and leukocytosis?

Leukemia is a tumor, while leukocytosis is a reactive condition Signup and view all the answers

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

All of the above Signup and view all the answers

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

Mutation and tumor transformation of early hematopoietic precursor cells Signup and view all the answers

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

Tumor cells are sensitive to chemotherapy Signup and view all the answers

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

Qualitative changes occur due to the instability of their genetic apparatus Signup and view all the answers

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

Leukemic cells become resistant to cytostatic therapy Signup and view all the answers

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

Formation of multiple clones of leukemic cells Signup and view all the answers