Difficulty: Medium
Average Score: 92%
Full-length
A client with heart failure is prescribed furosemide (Lasix). Which laboratory value should the nurse monitor closely?
Correct answer
B
Rationale
Furosemide is a loop diuretic that can cause hypokalemia, which is dangerous in heart failure clients due to the risk of arrhythmias, so potassium levels must be monitored.