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).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1370"]
Explanation
To calculate total output, we sum all recorded outputs:
- Urine output:
- 400 mL + 350 mL = 750 mL
- Chest tube drainage:
- 175 mL (current) - 155 mL (previous) = 20 mL
- Nasogastric tube drainage: 575 mL
- Jackson-Pratt drain output: 25 mL
Total Output = 750 + 20 + 575 + 25 = 1,370 mL
Correct Answer: 1,370 mL
Correct Answer is B
Explanation
A. Milk and organ meats. These foods do not contain excessive sodium.
B. Cheese, lunch meats, and canned vegetables: These foods are high in sodium, which can worsen hypernatremia by increasing serum sodium levels. Processed meats and canned vegetables contain excess salt and preservatives.
C. Alcohol and fried foods. Alcohol can cause dehydration, but not necessarily high sodium levels.
D. Green leafy vegetables and salt substitutes. Green leafy vegetables are low in sodium, and some salt substitutes contain potassium, not sodium.
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