A client with a history of calcium oxalate stones asks the nurse, "Can I continue taking vitamin C supplements?" Which response by the nurse is appropriate?
"Yes, vitamin C supplements can help reduce the risk of stone formation."
"No, vitamin C supplements may increase the risk of calcium oxalate stones."
"You can take vitamin C supplements, but only in large doses."
"Vitamin C supplements have no effect on kidney stone formation."
The Correct Answer is B
A. This statement is not correct. Vitamin C supplements may increase the risk of calcium oxalate stones in some individuals.
B. This is the correct answer. High doses of vitamin C can be metabolized into oxalate in the body
, which can contribute to the formation of calcium oxalate stones. For individuals with a history of calcium oxalate stones, it is best to limit vitamin C supplements.
C. Taking vitamin C supplements in large doses is not recommended, especially for individuals prone to kidney stones.
D. Vitamin C supplements do have an effect on kidney stone formation, particularly for those at risk of calcium oxalate stones.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Pain relief is important in managing kidney stone pain, but potassium citrate is not primarily prescribed for this purpose.
B. Acid-base balance regulation may be one of the functions of potassium citrate, but it is not the primary purpose when prescribed to a client with renal calculus.
C. Urinary tract infection treatment is not the primary purpose of potassium citrate. While it may have some benefits in preventing certain types of urinary tract infections associated with stones, its primary purpose is not to treat infections.
D. This is the correct answer. Potassium citrate is prescribed to help dissolve certain types of kidney stones, particularly calcium oxalate stones and uric acid stones. It works by increasing the pH of the urine, making it more alkaline and less conducive to stone formation.
Correct Answer is B
Explanation
A. This statement is not correct. Limiting intake of calcium is not necessary for the prevention of uric acid stones. In fact, low calcium intake can increase the risk of other types of stones.
B. This is the correct answer. Uric acid stones are formed from high levels of uric acid in the urine. Purine-rich foods can contribute to elevated uric acid levels, so avoiding these foods is important in managing uric acid stones.
C. Increasing consumption of oxalate-rich foods like spinach is not relevant to preventing uric acid stones.
D. Reducing fluid intake is not recommended for preventing any type of kidney stone. Adequate fluid intake is essential for kidney health and preventing stone formation.
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