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Questions and Answers
What is the common origin of leukemias?
What is the common origin of leukemias?
- Clonal expansion of mature hematopoietic cells in the lymph nodes
- Clonal expansion of normal hematopoietic cells in the bone marrow
- Clonal expansion of malignant hematopoietic cells in the bone marrow (correct)
- Clonal expansion of mature hematopoietic cells in the blood
Which of the following is a characteristic of Acute lymphoblastic leukemia (ALL)?
Which of the following is a characteristic of Acute lymphoblastic leukemia (ALL)?
- Common in children between 3-7 years old (correct)
- Common in adults
- Common in children above 10 years old
- Common in children below 3 years old
What is a known environmental factor that increases the incidence of leukemias?
What is a known environmental factor that increases the incidence of leukemias?
- Excessive exercise
- Prolonged exposure to sunlight
- High dosage of vitamins
- Exposure to chemicals such as benzene compounds (correct)
Which of the following is a genetic factor that increases the incidence of leukemias?
Which of the following is a genetic factor that increases the incidence of leukemias?
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What is the consequence of malignant transformation of an immature precursor cell?
What is the consequence of malignant transformation of an immature precursor cell?
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Which of the following viruses is associated with leukemia?
Which of the following viruses is associated with leukemia?
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What is a characteristic of abnormal blast cells in leukemia?
What is a characteristic of abnormal blast cells in leukemia?
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Why do leukemic cells accumulate in the bone marrow?
Why do leukemic cells accumulate in the bone marrow?
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What is a characteristic of acute leukemia?
What is a characteristic of acute leukemia?
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What happens to normal bone marrow in acute leukemia?
What happens to normal bone marrow in acute leukemia?
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Why can leukemic cells infiltrate any organ or site?
Why can leukemic cells infiltrate any organ or site?
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