Answer:
The correct answer is option B) it slows the rate of inactivation of the incretin hormones.
Explanation:
Sitagliptin is a drug that has an effect on type 2 diabetes and prescribes to patients. This is a DPP-4 inhibitor chemical, that is believed to show its actions in type 2 diabetic patients.
Sitagliptin exerts its action by slowing the rate of inactivation of incretin hormones. These drugs also increase the concentrations of the active intact hormones.
Thus, the correct answer is option B) it slows the rate of inactivation of the incretin hormones.