A client with a history of kidney stones is prescribed thiazide diuretics. The nurse should recognize that these medications help prevent stone formation by:
Increasing the excretion of uric acid
Reducing the excretion of calcium in the urine
Increasing the pH of the urine
Dissolving existing kidney stones
The Correct Answer is B
A. Thiazide diuretics do not directly increase the excretion of uric acid. They are primarily used to reduce calcium excretion and prevent the formation of calcium-based stones.
B. This is the correct answer. Thiazide diuretics help reduce the excretion of calcium in the urine, which can be beneficial in preventing the formation of certain types of kidney stones, particularly calcium oxalate stones.
C. Thiazide diuretics do not directly increase the pH of the urine. They primarily reduce calcium excretion.
D. Thiazide diuretics do not dissolve existing kidney stones. They are used to prevent stone formation, not to treat existing stones.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Excessive water intake is not a risk factor for kidney stones. In fact, adequate hydration is encouraged to prevent kidney stone formation.
B. Low dietary calcium intake is not a common risk factor for kidney stones. In some cases, excessive calcium supplementation may be a risk factor, but dietary calcium is generally not a concern.
C. This is the correct answer. Family history, a diet high in protein and salt, and dehydration are common risk factors for kidney stones.
D. Kidney stones are not mostly caused by consuming too many fruits and vegetables. Fruits and vegetables are generally considered beneficial for kidney health.
Correct Answer is C
Explanation
A. Reducing calcium intake is not typically recommended for uric acid stones. In fact, low calcium intake can increase the risk of other types of kidney stones.
B. Increasing consumption of red meat and shellfish is not recommended for uric acid stones. These foods are high in purines, which can increase uric acid levels in the body.
C. 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 limiting these foods is important in managing uric acid stones.
D. Increasing intake of oxalate-rich foods is not specifically relevant to uric acid stones. Oxalate-rich foods are associated with calcium oxalate stones, not uric acid stones.
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