Certified Nephrology Nurse Certification (CNN) Practice Exam 2025 - Free Nephrology Nursing Practice Questions and Study Guide

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What is the role of dietary potassium restriction in managing chronic kidney disease (CKD)?

To promote kidney growth

To prevent hyperkalemia

Dietary potassium restriction is critical in managing chronic kidney disease (CKD) primarily to prevent hyperkalemia, which is an elevated level of potassium in the blood. In CKD, the kidneys become less effective at excreting potassium, leading to its accumulation in the body. Hyperkalemia can have serious cardiac implications, including arrhythmias, which can be life-threatening if not addressed.

Restricting dietary potassium helps to manage and maintain potassium levels within a safe range, reducing the risk of these complications. This dietary modification is an essential part of the care plan for patients with CKD, particularly as the disease progresses and kidney function declines. By effectively managing potassium intake, healthcare providers can help mitigate one of the significant risks associated with kidney dysfunction.

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To increase urine production

To support hypertension management

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