When teaching a patient who is starting metformin (Glucophage), which instruction by the nurse is correct?
a. "Take metformin if your blood glucose level is above 150 mg/dL."
b. "Take this 60 minutes after breakfast."
c. "Take the medication on an empty stomach 1 hour before meals."
d. "Take the medication with food to reduce gastrointestinal (GI) effects."
ANS: D
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