Compare loop diuretics with potassium-sparing diuretics in terms of potassium balance and a nursing consideration.

• A. Loop diuretics can cause hypokalemia; potassium-sparing diuretics can cause hyperkalemia; monitor electrolytes and EKG; caution with ACE inhibitors.
• B. Loop diuretics can cause hyperkalemia; potassium-sparing diuretics cause hypokalemia; monitor electrolytes and EKG; caution with ACE inhibitors.
• C. Both cause hypokalemia; monitor electrolytes.
• D. Both cause hyperkalemia; avoid ACE inhibitors.

Answer: (A)