Which information will the nurse monitor in order to determine the effectiveness of prescribed calcium carbonate for a patient with chronic kidney disease (CKD)?
Creatinine clearance
Phosphate level
Blood pressure
Neurologic status
The Correct Answer is B
A. Creatinine clearance: Creatinine clearance reflects glomerular filtration rate and overall kidney function but does not directly indicate the effectiveness of calcium carbonate therapy. Calcium carbonate is prescribed as a phosphate binder, and its efficacy is assessed by changes in serum phosphate rather than kidney filtration rate.
B. Phosphate level: Calcium carbonate binds dietary phosphate in the gastrointestinal tract, reducing absorption and helping to manage hyperphosphatemia, which is common in CKD. Monitoring serum phosphate levels allows the nurse to determine whether the medication is effectively lowering phosphate and preventing complications.
C. Blood pressure: Blood pressure management is important in CKD, but calcium carbonate does not directly influence blood pressure. While hypertension can exacerbate kidney disease, changes in blood pressure are not a reliable indicator of calcium carbonate’s therapeutic effect.
D. Neurologic status: Neurologic changes can occur in severe electrolyte imbalances or uremia, but they are not specific indicators of calcium carbonate effectiveness. Monitoring neurologic status is important for overall patient safety but does not directly reflect phosphate control achieved by the medication.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Low protein, low carb: A diet low in protein and carbohydrates does not meet the increased metabolic demands of burn patients. Protein is essential for tissue repair and immune function, while carbohydrates provide energy to prevent catabolism of lean body mass.
B. High protein, high calorie: Burn patients have hypermetabolic states that significantly increase energy and protein requirements. High-protein intake supports collagen synthesis, wound repair, and immune function, while high-calorie intake prevents muscle breakdown and provides sufficient energy for the healing process.
C. High carb, low protein: While carbohydrates provide energy, inadequate protein intake impairs wound healing and tissue regeneration. A diet emphasizing carbohydrates without sufficient protein does not support the critical anabolic processes needed for burn recovery.
D. Low sodium, low protein: Restricting protein in burn patients delays wound healing and compromises immune response. Sodium restriction may be indicated in certain fluid balance scenarios but is not a priority for promoting tissue repair. Adequate protein and caloric intake remain the primary nutritional focus.
Correct Answer is B
Explanation
A. Administer iron supplements: Iron supplementation addresses anemia due to iron deficiency but does not treat the underlying immune-mediated platelet destruction or thrombotic risk associated with heparin-induced thrombocytopenia (HIT). It is not a priority intervention in this condition.
B. Use saline for flushing IV lines and IV ports: In HIT, all heparin products, including heparin flushes, must be avoided to prevent further immune-mediated platelet activation and thrombosis. Saline flushes are used as a safe alternative to maintain IV patency without exposing the patient to additional heparin.
C. Give low-molecular-weight heparin (LMWH): LMWH is structurally similar to unfractionated heparin and can cross-react in patients with HIT, potentially worsening thrombocytopenia and thrombotic complications. It is contraindicated in this situation.
D. Administer platelet transfusions: Platelet transfusions are generally avoided in HIT because adding platelets can fuel thrombus formation, increasing the risk of life-threatening clotting events. They are reserved for severe bleeding or procedural needs only.
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