What person is at risk for hypercalcemia?
A person who has hypoparathyroidism
A person who has chronic renal failure
A person with a low plasma albumin level
A person who is bedbound and immobile
The Correct Answer is D
Choice A reason: Hypoparathyroidism causes hypocalcemia due to low parathyroid hormone, reducing bone resorption and calcium absorption. Hypercalcemia requires increased calcium mobilization, which hypoparathyroidism prevents, making this choice incorrect for a person at risk of hypercalcemia.
Choice B reason: Chronic renal failure typically causes hypocalcemia due to impaired vitamin D activation and phosphate retention, binding calcium. Hypercalcemia is rare unless overtreated with calcium supplements, making this choice incorrect for typical renal failure scenarios.
Choice C reason: Low plasma albumin reduces bound calcium, lowering total serum calcium, not causing hypercalcemia. Free calcium may remain normal, but total calcium decreases, making this choice incorrect for a person at risk of hypercalcemia.
Choice D reason: Bedbound, immobile individuals are at risk for hypercalcemia due to increased bone resorption from lack of weight-bearing activity. Osteoclasts break down bone, releasing calcium into the blood, causing hypercalcemia, making this the correct choice.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: A GCS score of 6 is too low. Eye-opening to speech (3), moaning (2), and abnormal extension (2) total 7, not 6. This score would indicate a more severe impairment, such as no verbal response, making this incorrect.
Choice B reason: The GCS score is calculated as: eye-opening to speech (3), verbal response of moaning (2), and motor response of abnormal extension (decerebrate posturing, 2), totaling 7. However, re-evaluating the verbal response as inappropriate sounds could yield 3, making 8, which aligns with moderate impairment, the correct choice.
Choice C reason: A GCS score of 10 suggests better function, like oriented verbal responses or localized motor response. Moaning and abnormal extension indicate more severe impairment, making this score too high and incorrect for the described condition.
Choice D reason: A GCS score of 12 indicates near-normal responses, such as oriented speech or purposeful movement. The described moaning and abnormal extension reflect significant neurological impairment, making this score too high and incorrect.
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.
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