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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Related Questions
Correct Answer is C
Explanation
A) This choice is incorrect because a bone marrow biopsy is not primarily performed to assess the client's platelet count. Platelet counts are typically obtained through a blood test.
B) This choice is incorrect because evaluating the effectiveness of chemotherapy is not the primary reason for performing a bone marrow biopsy in the diagnostic evaluation of leukemia. The biopsy is performed to determine the presence of cancerous cells in the bone marrow and aid in diagnosing leukemia.
C) This choice is correct. A bone marrow biopsy involves the collection of bone marrow samples to determine the presence of cancerous cells and assess cell morphology in the bone marrow. This information is crucial in diagnosing leukemia and determining the appropriate treatment plan.
D) This choice is incorrect because measuring the client's bone density is not the primary reason for performing a bone marrow biopsy.
Correct Answer is ["B","C","D","E"]
Explanation
A) This choice is incorrect because unexplained weight gain is not a common symptom of leukemia. Weight loss may be more typical in some cases.
B) This choice is correct. Easy bruising and bleeding are common manifestations of leukemia due to a decreased number of healthy blood cells and platelets, which are responsible for clotting.
C) This choice is correct. Persistent fatigue and weakness are common symptoms of leukemia. Leukemia can lead to a decrease in normal blood cells, causing anemia and leading to fatigue and weakness.
D) This choice is correct. Leukemia can weaken the immune system, making the person more susceptible to infections, leading to frequent infections and fever.
E) This choice is correct. Leukemia can cause the enlargement of lymph nodes, leading to painful and swollen lymph nodes.
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