A nurse is explaining the purpose of a computed tomography (CT) scan to a client with suspected leukemia. What is the primary goal of a CT scan in the diagnostic evaluation of leukemia?
Assess bone density and strength
Identify enlarged lymph nodes and organs
Measure the client's lung capacity
Monitor the client's cardiac function
The Correct Answer is B
A) This choice is incorrect because assessing bone density and strength is not the primary purpose of a CT scan in the diagnostic evaluation of leukemia.
B) This choice is correct. A CT scan is commonly used to identify enlarged lymph nodes and organs, which can occur in leukemia as a result of cancerous cell proliferation and infiltration into the lymphatic system and other organs.
C) This choice is incorrect because measuring lung capacity is not the primary purpose of a CT scan in the diagnostic evaluation of leukemia.
D) This choice is incorrect because monitoring cardiac function is not the primary goal of a CT scan in the diagnostic evaluation of leukemia.
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Related Questions
Correct Answer is B
Explanation
A) This choice is incorrect because leukemia is not a contagious disease. It cannot spread from person to person through direct contact.
B) This choice is correct. Leukemia is not contagious. It is a type of cancer caused by abnormal white blood cells in the bone marrow and blood. It cannot be transmitted from one person to another.
C) This choice is incorrect because leukemia is not contagious, even if the person has a weakened immune system. It is not a communicable disease.
D) This choice is incorrect because leukemia is not transmitted through blood transfusions. Blood transfusions involve screened and tested blood products, and leukemia cannot be passed on through this process.
Correct Answer is C
Explanation
A) This choice is incorrect because leukemia does not lead to the increased production of normal red blood cells. Instead, it causes the overproduction of abnormal white blood cells.
B) This choice is incorrect because leukemia does not lead to the accumulation of normal platelets in the blood. Thrombocytopenia, or low platelet count, is common in leukemia due to the suppression of normal platelet production in the bone marrow.
C) This choice is correct. In leukemia, the proliferation of abnormal white blood cells crowds out and suppresses the normal bone marrow stem cells responsible for producing red blood cells, platelets, and other white blood cells. This suppression leads to anemia and thrombocytopenia.
D) This choice is incorrect because while cancerous cells may infiltrate healthy tissues in other types of cancer, leukemia primarily affects the bone marrow and blood, not other organs or tissues.
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