The newly diagnosed patient with type 2 diabetes has been prescribed metformin (Glucophage). What should the nurse tell the patient to best explain how this medication works?

Increases insulin release from the pancreas, inhibits glucagon secretion, and decreases gastric emptying

Increases insulin production from the pancreas

Reduces glucose production by the liver and enhances insulin sensitivity

Slows the absorption of carbohydrate in the small intestine