Certified Nephrology Nurse Certification (CNN) Practice Exam 2026 – Comprehensive All-in-One Study Guide for Exam Success!

Chronically progressive kidney disease is characterized by a gradual deterioration of kidney function over time. This progressive nature means that the kidneys slowly lose their ability to filter waste from the blood and regulate fluid balance, leading to various complications, including electrolyte imbalances and the potential development of end-stage renal disease. Patients will experience a gradual decline in kidney function, often measured through declining glomerular filtration rates (GFR), and symptoms may worsen as the disease advances.

The other choices do not accurately capture the essence of chronic kidney disease. For instance, the notion that the disease can completely heal contradicts the chronic and progressive aspect, as many forms of kidney disease do not permit complete recovery. Instantaneous kidney failure suggests an acute event rather than the slow progression typical of chronic kidney diseases, and limiting the condition to adolescents overlooks the fact that chronic kidney disease can affect individuals of all ages. Hence, recognizing that chronic kidney disease worsens over time is essential for understanding both its management and the importance of early detection.