A nurse is providing education about leukemia to a group of nursing students. Which statement by a student indicates a correct understanding of the pathophysiology of leukemia?
"Leukemia arises from the uncontrolled growth and division of normal blood cells."
"In leukemia, cancerous cells infiltrate and replace healthy tissues in organs such as the liver and lungs."
"The genetic mutations in leukemia result in the formation of abnormal blood cells in the lymph nodes."
"The pathophysiology of leukemia involves the abnormal proliferation of bone marrow stem cells."
The Correct Answer is D
A) This choice is incorrect because leukemia arises from the uncontrolled growth and division of abnormal blood cells, not normal blood cells. These abnormal cells disrupt the normal functioning of the blood and bone marrow.
B) This choice is incorrect because while cancerous cells may infiltrate and replace healthy tissues in other types of cancer, leukemia primarily affects the bone marrow and blood, not other organs like the liver and lungs.
C) This choice is incorrect because while leukemia does involve genetic mutations, the formation of abnormal blood cells primarily occurs within the bone marrow, not in the lymph nodes.
D) This choice is correct. The pathophysiology of leukemia involves the abnormal proliferation and differentiation of bone marrow stem cells. These cells undergo genetic mutations, leading to the development of leukemia and the production of abnormal blood cells.
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Correct Answer is B
Explanation
A) This choice is incorrect because leukemia is not limited to just one type. There are different subtypes of leukemia, including acute lymphocytic leukemia (ALL) and acute myeloid leukemia (AML), among others.
B) This choice is correct. Leukemia can be broadly classified into two main types: acute leukemia, which progresses rapidly and requires immediate treatment, and chronic leukemia, which progresses more slowly.
C) This choice is incorrect because the classification of leukemia is not solely based on age. Leukemia can occur in both children and adults.
D) This choice is incorrect because the classification of leukemia does not involve solid tumors. Leukemia is a cancer of the blood and bone marrow, characterized by the uncontrolled growth of abnormal white blood cells.
Correct Answer is C
Explanation
A) This choice is incorrect because a cytogenetic analysis is not primarily used to assess the client's immune response.
B) This choice is incorrect because determining the client's blood type is not the primary goal of a cytogenetic analysis in the diagnostic evaluation of leukemia.
C) This choice is correct. Cytogenetic analysis is a laboratory test that identifies specific genetic abnormalities, such as chromosomal rearrangements, deletions, or mutations, in the leukemic cells. These genetic findings are essential for diagnosing specific types of leukemia, determining prognosis, and guiding treatment decisions.
D) This choice is incorrect because evaluating the client's liver function is not the primary goal of a cytogenetic analysis in the diagnostic evaluation of leukemia.
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