Which of the following is a GLP-1 receptor agonist?

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Multiple Choice

Which of the following is a GLP-1 receptor agonist?

Explanation:
GLP-1 receptor agonists mimic the incretin hormone GLP-1, boosting insulin release in a glucose-dependent way, suppressing glucagon, slowing gastric emptying, and often promoting a sense of fullness. Exenatide directly activates GLP-1 receptors, so it clearly fits this class. The other drugs operate by different mechanisms: metformin reduces hepatic glucose production and improves insulin sensitivity; acarbose delays carbohydrate absorption in the gut; empagliflozin inhibits SGLT2 to increase urinary glucose excretion.

GLP-1 receptor agonists mimic the incretin hormone GLP-1, boosting insulin release in a glucose-dependent way, suppressing glucagon, slowing gastric emptying, and often promoting a sense of fullness. Exenatide directly activates GLP-1 receptors, so it clearly fits this class. The other drugs operate by different mechanisms: metformin reduces hepatic glucose production and improves insulin sensitivity; acarbose delays carbohydrate absorption in the gut; empagliflozin inhibits SGLT2 to increase urinary glucose excretion.

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