A nurse is assessing a client with congestive heart failure. Which finding indicates possible fluid accumulation in the lungs, a common symptom of CHF?

A) This choice is incorrect because loop diuretics can lead to increased sodium excretion, potentially causing hypernatremia (high sodium levels) rather than hyponatremia (low sodium levels).

B) This choice is incorrect because loop diuretics do not typically cause hypocalcemia (low calcium levels). They primarily affect sodium, potassium, and water excretion.

C) This choice is incorrect because loop diuretics are more likely to cause hypokalemia (low potassium levels) rather than hyperkalemia (high potassium levels). Loop diuretics can increase potassium excretion, leading to a potential deficiency.

D) This choice is correct. Loop diuretics are potent potassium-wasting diuretics, meaning they increase potassium excretion in the urine, potentially causing hypokalemia. The nurse should closely monitor the client's potassium levels and provide potassium supplementation if necessary.

A) This choice is incorrect because serum sodium levels are not directly impacted by digoxin. However, electrolyte imbalances, including hypokalemia, can potentiate digoxin toxicity, so potassium levels should be monitored.

B) This choice is incorrect because while digoxin can impact liver function, it is not the primary parameter to be monitored. Liver function tests may be performed periodically to assess liver health during digoxin therapy.

C) This choice is correct. Digoxin is a cardiac glycoside that can impact renal function. Monitoring urine output is essential to assess kidney function and the client's response to the medication.

D) This choice is incorrect because blood glucose levels are not specifically impacted by digoxin. However, hypokalemia resulting from digoxin therapy can cause alterations in glucose metabolism, so blood glucose levels should be monitored in clients taking digoxin.