NCLEX Exam Based Practice Questions with Rationale: 9 NCLEX-RN Exam Based Practice Questions with Rationale: Monitoring Metformin A client with type 2 diabetes is prescribed metformin (Glucophage). Which of the following laboratory values should the nurse monitor? a. Serum creatinine levels b. Serum potassium levels c. Serum glucose levels d. Serum cholesterol levels Δ