How does type 2 diabetes result in chronic renal failure?
Excessive insulin production by the pancreas causes renal toxicity.
Glucose crystals obstruct the flow of urine through the ureters.
An autoimmune process causes the destruction of renal tissue.
High blood sugar damages the small blood vessels in the kidneys.
The Correct Answer is D
Choice A reason: Type 2 diabetes involves insulin resistance, not excessive insulin production, which declines over time. Insulin does not cause renal toxicity; hyperglycemia damages kidneys, making this choice incorrect for the mechanism of renal failure.
Choice B reason: Glucose crystals do not form in type 2 diabetes to obstruct ureters. Hyperglycemia damages renal vasculature, not urine flow, leading to diabetic nephropathy, making this choice incorrect for chronic renal failure’s mechanism.
Choice C reason: An autoimmune process destroying renal tissue is not typical of type 2 diabetes. Autoimmune damage occurs in type 1 diabetes or glomerulonephritis, not type 2-related renal failure, making this choice incorrect.
Choice D reason: High blood sugar in type 2 diabetes damages renal microvasculature, particularly glomerular capillaries, causing diabetic nephropathy. This leads to proteinuria, glomerulosclerosis, and chronic renal failure, making this the correct mechanism for kidney damage.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D","E","F"]
Explanation
Choice A reason: Red warm skin is not typical of pulmonary embolism. It may occur in infections or inflammation. Pulmonary embolism causes reduced lung perfusion, leading to hypoxia and systemic symptoms, not localized skin changes, making this choice incorrect.
Choice B reason: Dizziness occurs in pulmonary embolism due to reduced oxygen delivery to the brain from blocked pulmonary arteries, causing hypoxia. Decreased cardiac output from right heart strain also contributes, making this a correct manifestation of pulmonary embolism.
Choice C reason: Bradycardia is not typical; pulmonary embolism usually causes tachycardia as the heart compensates for hypoxia and increased pulmonary vascular resistance. Slow heart rate does not align with the body’s response to acute obstruction, making this incorrect.
Choice D reason: Hypoxia is a hallmark of pulmonary embolism, as blocked pulmonary arteries impair gas exchange, reducing oxygen in the blood. This leads to tissue oxygen deficiency, causing symptoms like shortness of breath, making this a correct manifestation.
Choice E reason: Chest pain in pulmonary embolism results from pleural irritation or ischemia due to blocked pulmonary arteries. The pain is often sharp and worsens with breathing, reflecting lung tissue stress, making this a correct manifestation.
Choice F reason: Tachypnea, or rapid breathing, occurs as the body attempts to compensate for hypoxia in pulmonary embolism. The respiratory system increases rate to improve oxygenation, a common response to impaired gas exchange, making this correct.
Correct Answer is C
Explanation
Choice A reason: Taking showers instead of baths reduces urinary tract infection risk by avoiding prolonged exposure to bacteria in bathwater. Showers minimize contamination of the urethral area, making this choice incorrect for increasing UTI risk.
Choice B reason: Drinking 8 cups of liquid daily promotes urine production, flushing bacteria from the urinary tract, reducing infection risk. Adequate hydration supports urinary system health, making this choice incorrect for increasing UTI risk.
Choice C reason: Wiping from back to front introduces fecal bacteria, like E. coli, to the urethra, increasing the risk of urinary tract infections. This improper hygiene practice facilitates bacterial entry, making this the correct choice.
Choice D reason: Emptying the bladder regularly and completely prevents urine stasis, which reduces bacterial growth and infection risk. Regular voiding flushes pathogens from the urethra, making this choice incorrect for increasing UTI risk.
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