A nurse is assessing a client suspected of having leukemia. Which laboratory test is a definitive diagnostic tool to confirm leukemia?
Complete blood count (CBC)
Urinalysis
Chest X-ray
Bone marrow biopsy
The Correct Answer is D
A) This choice is incorrect because while a complete blood count (CBC) is an important initial screening test for leukemia, it alone is not definitive for diagnosis. A CBC may show abnormal levels of blood cells, prompting further investigation, including a bone marrow biopsy.
B) This choice is incorrect because a urinalysis is not used to diagnose leukemia. It is a test used to evaluate kidney function and detect urinary abnormalities.
C) This choice is incorrect because a chest X-ray is not a definitive diagnostic tool for leukemia. It is primarily used to assess the lungs and chest organs for conditions such as pneumonia or tumors.
D) This choice is correct. A bone marrow biopsy is a definitive diagnostic tool to confirm leukemia. In this procedure, a small sample of bone marrow is taken from the hipbone or breastbone and examined under a microscope to determine if leukemia cells are present. It allows for the identification of abnormal cells in the bone marrow, helping to establish the diagnosis and type of leukemia.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) This choice is incorrect because the lymphatic system does not filter and remove abnormal blood cells in leukemia. The role of the lymphatic system is primarily related to the circulation of lymph fluid and the immune response, not the removal of abnormal blood cells.
B) This choice is incorrect because the lymphatic system is not responsible for producing and releasing abnormal white blood cells in leukemia. Leukemia originates from the bone marrow, not the lymphatic system.
C) This choice is correct. Leukemia is primarily a disorder of the bone marrow and blood. It does not directly involve the lymphatic system, which is responsible for carrying lymph fluid and supporting the body's immune function.
D) This choice is incorrect because while cancerous cells may infiltrate other organs and tissues in other types of cancer, leukemia primarily affects the bone marrow and blood, not the lymphatic system.
Questions
Correct Answer is C
Explanation
A) This choice is incorrect because AML is not characterized by the overproduction of immature lymphocytes. It involves the uncontrolled proliferation of abnormal myeloid cells in the bone marrow.
B) This choice is incorrect because AML does not cause abnormal proliferation of red blood cells. Anemia may occur as a result of AML due to the displacement of normal blood-forming cells in the bone marrow.
C) This choice is correct. AML is a type of leukemia that arises from genetic mutations in the myeloid stem cells. These mutations lead to uncontrolled growth and accumulation of abnormal myeloid cells, including granulocytes, monocytes, and platelets.
D) This choice is incorrect because the abnormal growth of plasma cells leading to the production of abnormal antibodies is characteristic of multiple myeloma, not AML.
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