11 Questions
What is the common origin of leukemias?
Clonal expansion of malignant hematopoietic cells in the bone marrow
Which of the following is a characteristic of Acute lymphoblastic leukemia (ALL)?
Common in children between 3-7 years old
What is a known environmental factor that increases the incidence of leukemias?
Exposure to chemicals such as benzene compounds
Which of the following is a genetic factor that increases the incidence of leukemias?
Down's syndrome
What is the consequence of malignant transformation of an immature precursor cell?
Leukemia
Which of the following viruses is associated with leukemia?
HTLV-I
What is a characteristic of abnormal blast cells in leukemia?
They can proliferate, independently out of any control
Why do leukemic cells accumulate in the bone marrow?
Because their structure and size don't allow them to leave the bone marrow
What is a characteristic of acute leukemia?
It is a rapidly progressing disease, evolving within days to few weeks
What happens to normal bone marrow in acute leukemia?
It is replaced by malignant blast cells
Why can leukemic cells infiltrate any organ or site?
Because they are blood-borne cells
Learn about the different types of leukemias, their origins, and how they are classified based on cellular maturity and other factors. Understand the differences between acute and chronic leukemias, and how they affect different age groups.
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