On Assessing the Laboratory Data of an Older Adult Patient,the

On assessing the laboratory data of an older adult patient,the nurse notes the serum potassium level is 5.3 mEq/L.What action by the nurse is best?

A) Asks if the patient has been using a nonsteroidal antiinflammatory drug (NSAID) .
B) Determines if the patient is receiving a diuretic that promotes potassium loss.
C) Suggests several potassium-rich foods to supplement dietary potassium intake.
D) Monitors the patient's urinary output for possible fluid retention.