The nurse is teaching the client with chronic renal failure and family about administering calcium acetate 2 tablets p.o. with each meal at home. The nurse explains that the rationale for this treatment is which of the following?
1. Decreases serum creatinine
2. Lowers serum phosphate
3. Neutralizes gastric acid
4. Stimulates appetite
2. Lowers serum phosphate
Rationale:
The client in renal failure has elevated phosphate levels due to the inability of the damaged kidney to excrete this electrolyte. Calcium acetate, when given with meals, will bind serum phosphorus and therefore lower the serum level. Calcium acetate has no effect on serum creatinine. Although when given between meals calcium acetate can act as an antacid and neutralize gastric acid, this is not the reason it is given to a client with renal failure. This medication has no effect on appetite stimulation.
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