Answer :
Final answer:
The most appropriate management for the 54-year-old man with type 2 diabetes mellitus is initiating metformin.
Explanation:
The most appropriate management for the 54-year-old man with type 2 diabetes mellitus is initiating metformin. Metformin is a first-line medication for the management of type 2 diabetes. It works by reducing the production of glucose by the liver and improving the body's response to insulin. Studies have shown that metformin can help lower A1c levels and improve glycemic control. The patient's A1c level of 7.9% indicates that his diabetes is not well controlled, and initiating metformin can help to further reduce his A1c.
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