Difficulty: Medium
Average Score: 62%
Full-length
Which laboratory result would concern the nurse caring for a client who is receiving furosemide (Lasix)?
Correct answer
A
Rationale
Furosemide, a loop diuretic, can cause hypokalemia. A potassium level of 2.5 mEq/L is critically low and concerning, risking arrhythmias. Sodium 140, glucose 110, and calcium 8 are within normal ranges.