Which statement best describes the scientific rationale for prescribing the biguanide metformin (Glucophage)?  1. This medication decreases insulin resistance, improving blood glucose control. 2. This...

Which statement best describes the scientific rationale for prescribing the biguanide metformin (Glucophage)?

 1. This medication decreases insulin resistance, improving blood glucose control. 2. This medication allows the carbohydrates to pass slowly through the large intestine. 3. This medication will decrease the hepatic production of glucose from stored glycogen. 4. This medication stimulates the beta cells to release more insulin into the bloodstream