A nurse is providing education to a client about acute renal failure. Which statement by the client indicates a correct understanding of the condition?

A. Incorrect. Fasting is not typically required before a renal biopsy.

B. Incorrect. The renal biopsy does not directly measure the glomerular filtration rate (GFR), which is usually assessed through blood tests.

C. Correct. A renal biopsy is a procedure in which a needle is inserted through the skin and into the kidneys to obtain a small tissue sample for examination. This allows for a direct assessment of kidney tissue and helps identify the cause of kidney dysfunction.

D. Incorrect. While a renal biopsy can provide information about the kidney's structure, its primary purpose is to obtain a tissue sample for histological examination, not to assess blood flow.

A. Correct. Loop diuretics can cause potassium loss and potentially lead to hypokalemia. The nurse should monitor the client's serum potassium levels frequently to assess for any imbalances.

B. Incorrect. While loop diuretics can be given intravenously for rapid action, the administration route depends on the client's condition and the healthcare provider's order.

C. Incorrect. Loop diuretics are used to promote diuresis and fluid removal from the body. Encouraging fluid restriction while on diuretic therapy may exacerbate dehydration and electrolyte imbalances.

D. Incorrect. The timing of loop diuretic administration is determined by the healthcare provider's order and the client's specific needs. Taking diuretics at bedtime may result in increased nighttime urination and sleep disruption.

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