Certified Dialysis Nurse Practice Test 2026 – All-in-One Resource for Exam Success!

Poor glycemic control is commonly recognized as a significant risk factor for renal failure in patients with diabetes mellitus. Chronic elevated blood sugar levels can lead to damage in various organs, particularly the kidneys, over time. This condition is a result of the hyperglycemic environment causing glomerular hyperfiltration, increased intra-glomerular pressure, and ultimately nephropathy. Managing blood glucose levels effectively is crucial in preventing or delaying the onset of diabetic kidney disease.

In contrast, other options do not present the same level of direct correlation with the progression of renal failure in diabetic patients. While high dietary sodium intake can have implications for overall health and may exacerbate hypertension, it is not as directly linked to the primary pathophysiological processes leading to renal failure in diabetes. Excessive physical activity can benefit individuals with diabetes by improving glycemic control and cardiovascular health, rather than contributing to renal failure. Low protein consumption, while sometimes recommended in advanced kidney disease to reduce urea production, is not a risk factor for renal failure in the context of diabetes; rather, it may be beneficial in certain cases. Thus, maintaining good glycemic control is essential for preventing complications related to diabetes, including renal failure.