Individuals with diabetes are having a staggering rate of macrovascular complications due to:
The role of glucose in the blood.
The role of diabetes in the development of atherosclerosis.
The role of platelets in the blood.
The role of increased WBC in the blood.
The Correct Answer is B
Choice A reason: While high blood glucose levels are a key feature of diabetes and contribute to complications, it is the role of diabetes in promoting atherosclerosis that is more directly responsible for the high rate of macrovascular complications. High glucose levels can damage blood vessels and lead to the development of atherosclerosis, but the process is more complex and involves additional factors.
Choice B reason: Diabetes significantly contributes to the development of atherosclerosis, which is the buildup of plaques in the arteries. This can lead to macrovascular complications such as coronary artery disease, stroke, and peripheral arterial disease. Chronic hyperglycemia, along with associated lipid abnormalities and inflammation, accelerates the atherosclerotic process in individuals with diabetes.
Choice C reason: The role of platelets in the blood is not a primary factor in the macrovascular complications of diabetes. While platelet function can be altered in diabetes and contribute to clot formation, the central issue in macrovascular complications is the development of atherosclerosis.
Choice D reason: Increased white blood cell (WBC) count can be a sign of inflammation or infection, but it is not a primary cause of macrovascular complications in diabetes. The focus is more on the chronic inflammatory state and the development of atherosclerosis as major contributors to macrovascular disease in diabetes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: The primary distinction between ALL and AML is the type of cell that becomes cancerous. Acute Lymphocytic Leukemia (ALL) affects the lymphoid cell line. Lymphoid cells, or lymphocytes, are a type of white blood cell that plays a crucial role in the immune system, helping the body to fight infections. There are three types of lymphocytes: B cells, T cells, and natural killer (NK) cells. In ALL, the malignant transformation of these lymphocytes occurs, leading to an overproduction of immature lymphoid cells, or lymphoblasts. These lymphoblasts crowd out normal blood cells in the bone marrow, leading to symptoms such as anemia, susceptibility to infections, and easy bruising or bleeding.
Choice B reason: While it is true that ALL is more prevalent in children and AML is more common in adults, this age distribution is not the primary distinguishing feature between the two types of leukemia. ALL represents about 75% of pediatric leukemia cases, typically affecting children between 2 and 5 years old, while AML is more commonly diagnosed in adults, with the incidence increasing with age. However, both types can occur at any age, and the age of onset alone is not sufficient to distinguish between them. The differentiation based on cell type remains the most significant factor.
Choice C reason: Clinical manifestations of ALL and AML can be very similar because both involve the proliferation of immature white blood cells in the bone marrow, which disrupts normal blood cell production. Common symptoms include fatigue, frequent infections, fever, weight loss, easy bruising or bleeding, and bone pain. These symptoms result from the overproduction of immature leukemic cells and the subsequent suppression of normal hematopoiesis. Although there may be some differences in presentation based on the specific cell types involved, clinical manifestations are not the primary basis for differentiating between ALL and AML.
Choice D reason: The diagnostic tests used for ALL and AML are quite similar and typically include complete blood counts (CBC), bone marrow biopsy, and flow cytometry to identify the types of cells involved. Cytogenetic and molecular studies are also used to detect specific genetic abnormalities associated with each type of leukemia. While certain markers and genetic mutations may differ between ALL and AML, the overall approach to diagnosis involves similar testing methods. Therefore, the primary difference between the two leukemias lies in the cell type affected rather than the specific diagnostic tests used.
Correct Answer is D
Explanation
Choice A reason: Decreased fluid intake would typically result in lower urine output and higher urine concentration, but it does not directly explain a urine sodium concentration of 10 mmol/L.
Choice B reason: Increased fluid intake would generally lead to higher urine output and lower urine sodium concentration, as the kidneys excrete excess sodium. Therefore, this is not consistent with a urine sodium concentration of 10 mmol/L.
Choice C reason: Insensible loss refers to fluid loss that is not easily measured, such as through sweating or breathing. It does not directly explain the urine sodium concentration.
Choice D reason: Sodium retention is consistent with a low urine sodium concentration of 10 mmol/L in patients with large-volume ascites. In conditions like cirrhosis, the body retains sodium, leading to fluid accumulation in the abdomen (ascites) and lower sodium excretion in the urine.
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