A nurse is reviewing the diagnostic tests of a client suspected of having leukemia. The laboratory report shows elevated levels of blast cells in the peripheral blood. Which test result supports the suspicion of leukemia?
Elevated red blood cell count
Elevated white blood cell count
Elevated platelet count
Elevated levels of blast cells in the bone marrow
The Correct Answer is B
A) This choice is incorrect because an elevated red blood cell count is not a typical finding in leukemia. Leukemia is characterized by the overproduction of white blood cells, not red blood cells.
B) This choice is correct. Leukemia is associated with an elevated white blood cell count, particularly an abnormal increase in blast cells, which are immature cells indicative of leukemia.
C) This choice is incorrect because an elevated platelet count is not a typical finding in leukemia. Leukemia is more commonly associated with thrombocytopenia, which is a decreased platelet count.
D) This choice is incorrect because the laboratory report indicating elevated levels of blast cells in the peripheral blood supports the suspicion of leukemia, not the blast cells' presence in the bone marrow.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) This choice is incorrect because leukemia does not primarily affect the lymph nodes. It is a cancer of the blood and bone marrow, where abnormal white blood cells are produced.
B) This choice is incorrect because leukemia is not characterized by the overproduction of platelets. Platelets are involved in blood clotting, and their overproduction is not a feature of leukemia.
C) This choice is correct. Leukemia is a type of cancer characterized by the uncontrolled proliferation of abnormal white blood cells in the bone marrow. These abnormal cells then enter the bloodstream, crowding out healthy blood cells and impairing normal blood cell function.
D) This choice is incorrect because leukemia is not an autoimmune disorder. It is a cancerous condition involving abnormal white blood cell growth.
Correct Answer is D
Explanation
A) This choice is incorrect because a bone marrow biopsy is not performed to remove a tumor mass. The purpose of the procedure is to obtain a sample of bone marrow tissue for diagnostic evaluation.
B) This choice is incorrect because assessing the presence of circulating cancer cells in the bloodstream is typically done through a blood test, not a bone marrow biopsy. The biopsy provides direct information about the condition of the bone marrow.
C) This choice is incorrect because evaluating the overall blood cell count and differential is typically done through a complete blood count (CBC) test, not a bone marrow biopsy. The biopsy provides more detailed information about the bone marrow and its cellular composition.
D) This choice is correct. The primary purpose of a bone marrow biopsy is to obtain a sample of bone marrow tissue for examination under a microscope. This allows healthcare professionals to assess the presence of abnormal cells, determine the type and extent of leukemia, and guide treatment decisions.
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