A nurse is providing education to a client who has been diagnosed with renal calculus. The client asks, "What causes kidney stones?" What is the nurse's best response?

A. Excessive consumption of fruits and vegetables is not a primary cause of kidney stones. Some specific types of fruits and vegetables may contribute to stone formation, but it is not a general cause.

B. While genetic factors and family history can play a role in kidney stone formation, they are not the primary cause. The presence of minerals and salts in the urine is the main contributing factor.

C. An overactive bladder and frequent urination are not direct causes of kidney stone formation. They may be related to other urinary conditions but not to the formation of kidney stones.

D. This is the correct answer. Kidney stones are formed when certain minerals and salts in the urine form solid crystals that can clump together and grow into stones.

A. ESWL is a non-invasive procedure, and it does not require a hospital stay. It is typically performed on an outpatient basis.

B. This is not entirely accurate. ESWL is a non-invasive procedure that does not require general anesthesia. Instead, the client may be given sedation or local anesthesia.

C. It is essential to maintain adequate hydration after ESWL to help pass the broken-up stone fragments. Avoiding all fluids for 24 hours is not recommended and may lead to dehydration.

D. This is the correct answer. ESWL uses shock waves to break up kidney stones, and the client will need to remain still during the procedure to ensure precise targeting of the stones. The procedure is usually painless, but some discomfort may be experienced during the process.

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