What is the rational for administering calcium carbonate to a client with chronic renal failure?
Decreases the chance of peptic ulcer formation
Prevents constipation.
increases the tubular excretion of potassium
To lower phosphorus level
The Correct Answer is D
A. Decreases the chance of peptic ulcer formation: Calcium carbonate is not an antiulcer medication.
B. Prevents constipation: Calcium carbonate can cause constipation, not prevent it.
C. Increases the tubular excretion of potassium: Calcium carbonate does not directly affect potassium excretion.
D. To lower phosphorus levels: Calcium carbonate is a phosphate binder that reduces phosphorus absorption from food. In chronic renal failure, phosphorus builds up due to decreased kidney excretion, leading to secondary hyperparathyroidism and bone disease (renal osteodystrophy).
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Related Questions
Correct Answer is B
Explanation
A. Hypercalcemia: AKI is typically associated with hypocalcemia because the kidneys fail to convert vitamin D to its active form, reducing calcium absorption.
B. Elevated BUN: AKI leads to impaired renal filtration, causing elevated blood urea nitrogen (BUN) and creatinine levels due to the accumulation of nitrogenous waste.
C. Metabolic alkalosis: AKI usually causes metabolic acidosis, not alkalosis, due to the accumulation of acids (e.g., lactic acid, uremic toxins).
D. Hypokalemia: AKI commonly leads to hyperkalemia due to reduced potassium excretion.
Correct Answer is B
Explanation
A. Cabbage: While nutritious, cabbage is not a significant source of calcium.
B. Broccoli: Broccoli is rich in calcium, which is crucial for bone health and osteoporosis prevention.
C. Carrots: Carrots are rich in vitamin A, not calcium.
D. Potatoes: Potatoes provide potassium, not calcium.
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