Problem: The patient is prescribed calcium carbonate 1500 mg per day. The tablets are 500 mg per tablet and chewable. Which instruction should the nurse provide to the patient? The patient is prescribed calcium carbonate 1500 mg per day. The tablets are 500 mg per tablet and chewable. Which instruction should the nurse provide to the patient? Take three tablets followed by a full glass of water Take 1 tablet three times a day on an empty stomach Reduce fluid intake to increase effectiveness Take with meals to avoid gastric irritation