The laboratory findings for a client with chronic kidney disease (CKD) include elevated blood urea nitrogen (BUN) and serum creatinine levels. The client reports feeling fatigued and is unable to concentrate during the morning assessments. Based on these findings, which action should the nurse implement?

A. Provide high protein snacks. High protein snacks may exacerbate the symptoms of CKD by increasing urea and creatinine levels further. It is not recommended. B. Administer PRN oxygen. Oxygen therapy is not indicated based on the symptoms described and the laboratory findings of elevated BUN and serum creatinine. C. Monitor glucose levels every 4 hours. Monitoring glucose levels is not directly related to the symptoms described or the laboratory findings associated with CKD. D. Schedule frequent rest periods. Fatigue and difficulty concentrating are common symptoms of CKD due to the buildup of waste products in the blood. Scheduling frequent rest periods can help alleviate these symptoms and improve the client's overall well-being.