Boston Reed Pharmacy Technician Practice Test

The mechanism of action for Glucophage, which is the brand name for metformin, is primarily centered around its ability to decrease glucose production by the liver and improve insulin sensitivity. This leads to better control of blood sugar levels in individuals with type 2 diabetes.

Though option B mentions "carbohydrate mobilization and glucose absorption," it's important to clarify that while Glucophage does influence glucose metabolism, its primary action does not directly stimulate carbohydrate mobilization or enhance glucose absorption in the intestines. Instead, it works mainly by reducing hepatic glucose output and enhancing peripheral glucose uptake and utilization.

The mechanism that involves increased insulin sensitivity is crucial, as Glucophage helps the body respond better to insulin, which is responsible for allowing glucose to enter the cells. By improving insulin sensitivity, Glucophage aids in lowering blood sugar levels, making option D a closer reflection of its primary mechanism of action.

Overall, when discussing the action of Glucophage, it is essential to focus on its role in decreasing hepatic glucose production and improving insulin sensitivity, rather than the direct stimulation of glucose absorption or encouraging carbohydrate mobilization.