A patient is receiving furosemide (Lasix) 40 mg/d IV. What electrolyte value should be monitored when a patient is receiving a loop diuretic?
A) Calcium levels
B) Phosphorous levels
C) Potassium levels
D) Magnesium levels
Ans: C
Feedback: The diuretics act on the ascending loop of Henle to prevent re-absorption of water, potassium, and sodium. Because of this, potassium and sodium levels should be monitored when a patient is receiving diuretics.
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