Dialysis Technician Practice Exam

Which of the following items would be considered a high-potassium food?

1. Cauliflower

2. Potatoes

3. Cabbage

4. Green Beans

The correct answer is: Potatoes

Potatoes are considered a high-potassium food because they contain a significant amount of potassium per serving. Potassium is an essential mineral that plays a key role in various bodily functions, including maintaining fluid balance, muscle contractions, and nerve signaling. Foods that are high in potassium can pose a challenge for individuals with certain health conditions, particularly those with kidney disease, as their kidneys may struggle to filter excess potassium from the blood. On the other hand, cauliflower, cabbage, and green beans are lower in potassium, making them more appropriate for those needing to manage their potassium intake, such as dialysis patients. Understanding the potassium content of various foods is crucial for effective dietary management in these populations.