A nurse is providing education to a client diagnosed with leukemia who asks, "What causes leukemia?" How should the nurse respond?
"Leukemia is primarily caused by exposure to infectious agents."
"The exact cause of leukemia is unknown and varies among individuals."
"Genetic mutations and family history are the main causes of leukemia."
"Environmental toxins and pollution are the leading factors in developing leukemia."
The Correct Answer is B
A) This choice is incorrect because leukemia is not primarily caused by exposure to infectious agents. While some viral infections may increase the risk of certain types of leukemia, infectious agents are not the main cause.
B) This choice is correct. The exact cause of leukemia is not fully understood, and it can vary among individuals. It is believed to result from a combination of genetic mutations and environmental factors, but no single cause has been identified for all cases.
C) This choice is incorrect because while genetic mutations can play a role in the development of some types of leukemia, they are not the only cause. Environmental factors and other unknown factors also contribute to leukemia.
D) This choice is incorrect because while environmental toxins and pollution may be risk factors for some individuals, they are not the leading factors in all cases of leukemia.
Nursing Test Bank
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 B
Explanation
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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