NCLEX Exam Based Practice Questions with Rationale: 7 NCLEX-RN Exam Based Practice Questions with Rationale: Monitoring Phenytoin Therapy A client with a history of seizures is prescribed phenytoin (Dilantin). Which of the following laboratory values should the nurse monitor? a. Serum glucose levels b. Serum potassium levels c. Serum phenytoin levels d. Serum calcium levels Δ
