A client with a history of kidney stones is prescribed a thiazide diuretic. The nurse should monitor the client's laboratory values for which electrolyte imbalance?

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.

A. Limiting fluid intake to 1 liter per day is not recommended to prevent kidney stone formation. Adequate hydration is essential to

help prevent stone formation, as it helps dilute the urine and reduce the concentration of minerals that can lead to stone formation.

B. Decreasing dietary fiber intake is not a preventive measure for kidney stones. In fact, increasing dietary fiber intake can be beneficial for overall health.

C. Reducing calcium intake from all sources is not recommended to prevent kidney stones. In some cases, reducing dietary calcium intake can actually increase the risk of certain types of kidney stones.

D. This is the correct answer. Increasing citric acid intake can help prevent certain types of kidney stones, such as calcium oxalate stones. Citric acid helps to bind calcium in the urine, reducing the risk of stone formation. Citric acid can be found in citrus fruits and juices, and the nurse may advise the client to include more of these foods in their diet.