test 3
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what is the most established example of an approved anti-cancer targeted drug
gleevec
what oncoprotein does gleevec target
BCR-ABL
BCR-ABL is the main driver oncoprotein for what cancer
chronic myeloid leukemia
— are cancers involving WBCs of marrow and blood
leukemia
leukemias are categorized as either – or –
chronic or acute
in – leukemias, the cancer cells are partially differentiated
chronic
in – leukemias, the cancer cells show little differentiation
acute
– are cancers involving the lymphocytes and lymph system
lymphomas
where are pluripotent hemopoietic stem cells located?
in bone marrow
t or f: excessive reproduction of the common myeloid precursor may reduce the number of platelets and erythrocytes
true
what two progenitors come from the pluripotent hemopoietic progenitor
common lymphoid progenitor, common myeloid progenitor
where do the committed progenitors for blood cell formation do most of their development
bone marrow
t or f: excessive reproduction of the common lymphoid precursor may reduce the number of mature B cells and T cells
true
chronic myeloid leukemia is characterized by uncontrolled proliferation of – and precursors
neutrophils
t or f: excessive reproduction of the common lymphoid precursor may reduce the number of mature platelets and erythrocytes
true
what is the only known risk factor for chronic myeloid leukemia
ionizing radiation
CML represents about –% of new leukemia cases
15%
average age for developing chronic myeloid leukemia is –
64
you can tell that a neutrophil is mature by the appearance of –
the center
immature neutrophils are called –
myeloblast
how many clinical phases does chronic myeloid leukemia have
3
what are the 3 clinical phases of chronic myeloid leukemia
chronic, accelerated, crisis
which phase of CML is <5% blasts? chronic, accelerated, or crisis
chronic
which phase of CML is 10-19% blasts? chronic, accelerated, or crisis
accelerated