Review Question - QID 212881

A 57-year-old woman presents to the emergency department with acute onset vomiting, vertigo, throbbing headache, and weakness. She says that the symptoms started when she went to dinner with friends and had a drink of alcohol. Her past medical history is significant for type 2 diabetes, and she was recently started on a new medication for this disease. She says that she was warned that she might experiences these symptoms as a side effect of a new medication, but she did not realize how severe they would be. Which of the following describes the mechanism of action for the most likely diabetes drug that this patient started taking?