Certified Nephrology Nurse Certification (CNN) Practice Exam

What is the definition of Acute kidney disease?

1. A long-term condition that develops gradually

2. A sudden episode of kidney failure or kidney damage

3. A condition involving irreversible kidney damage

4. A genetic defect leading to renal issues

The correct answer is: A sudden episode of kidney failure or kidney damage

The definition of acute kidney disease focuses on its distinctive characteristic of a rapid onset. A sudden episode of kidney failure or kidney damage signifies that the kidneys lose their ability to function effectively over a short period, often hours to days. This condition can arise from various factors, including dehydration, infection, or certain medications that can stress the kidneys. Understanding that acute kidney disease is characterized by its immediacy is crucial for nursing practice, as it emphasizes the need for timely medical intervention to prevent potential progression to more severe kidney impairment. This differs from other conditions, such as chronic kidney disease, which develops gradually over a longer timeframe and involves more permanent alterations to kidney function.