What are the manifestations of hyperglycemia? (Select all that apply)
Polyuria
Polyphagia
Excessive thirst
Photophobia
Dysphagia
Correct Answer : A,B,C
Choice A reason: Hyperglycemia causes polyuria as high blood glucose exceeds renal reabsorption capacity, leading to osmotic diuresis. Excess glucose in urine draws water, increasing urine output, a classic diabetes symptom, making this a correct manifestation.
Choice B reason: Polyphagia, or increased hunger, occurs in hyperglycemia as cells cannot utilize glucose due to insulin deficiency or resistance, signaling energy deficit. The body craves food to compensate, making this a correct manifestation.
Choice C reason: Excessive thirst (polydipsia) results from hyperglycemia-induced polyuria, causing dehydration. The body signals thirst to replenish fluid loss from osmotic diuresis, a hallmark of diabetes, making this a correct manifestation.
Choice D reason: Photophobia, sensitivity to light, is not associated with hyperglycemia. It occurs in conditions like meningitis or migraines, not metabolic disturbances like diabetes, making this choice incorrect for hyperglycemia manifestations.
Choice E reason: Dysphagia, difficulty swallowing, is unrelated to hyperglycemia. It may occur in neurological or esophageal disorders, not as a direct result of high blood glucose, making this choice incorrect for hyperglycemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Portal hypertension from liver cirrhosis increases pressure in the portal vein, causing fluid leakage into the peritoneal cavity, leading to ascites. This occurs due to impaired liver function, reduced albumin, and increased hydrostatic pressure, making ascites a common manifestation and the correct choice.
Choice B reason: Hypoalbuminemia results from liver cirrhosis due to decreased hepatic protein synthesis but is not a direct manifestation of portal hypertension. It contributes to ascites by reducing oncotic pressure but is a separate consequence of liver dysfunction, making this choice incorrect.
Choice C reason: Hypoglycemia is not typically caused by portal hypertension. Cirrhosis may impair glucose regulation due to reduced glycogen storage, but portal hypertension primarily affects vascular dynamics, leading to ascites or varices, not low blood sugar, making this choice incorrect.
Choice D reason: Hyperkalemia is not a direct result of portal hypertension. Cirrhosis may cause electrolyte imbalances indirectly, but portal hypertension primarily leads to fluid shifts and vascular complications like ascites, not potassium elevation, making this choice incorrect for the described condition.
Correct Answer is A
Explanation
Choice A reason: Compression stockings promote venous return, preventing blood stasis in the legs, a major risk factor for deep vein thrombosis (DVT), which can lead to pulmonary embolism. By improving circulation, they reduce clot formation, making this the correct preventive action.
Choice B reason: Medications promoting clotting increase the risk of pulmonary embolism by enhancing thrombus formation. Anticoagulants, not pro-coagulants, are used to prevent clots, making this choice incorrect as it would worsen the risk.
Choice C reason: Frequent bed rest increases the risk of pulmonary embolism by causing venous stasis, promoting clot formation in deep veins. Mobility reduces stasis and clot risk, making this choice incorrect for preventing pulmonary embolism.
Choice D reason: Reducing water intake leads to dehydration, increasing blood viscosity and clot risk, which can cause pulmonary embolism. Adequate hydration maintains blood fluidity, reducing thrombosis risk, making this choice incorrect for prevention.
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