CDR Gerontology Nutrition Practice Exam

Oranges are indeed a common food source for potassium beyond the well-known association with bananas. Potassium is an essential mineral that plays a crucial role in various bodily functions, such as maintaining proper muscle function, regulating blood pressure, and supporting heart health.

Oranges provide a significant amount of potassium relative to their calorie content, making them a beneficial addition to a diet aimed at maintaining adequate potassium levels. Besides their potassium content, they are rich in vitamins, particularly vitamin C, and provide dietary fiber, which adds to their nutritional value.

While other options do contain potassium, they are not typically highlighted as prominent sources compared to oranges. For instance, carrots do have potassium, but in lesser amounts compared to oranges. Strawberries are also nutritious and have potassium, but they are better known for their vitamin C and antioxidant content. Rice does contain potassium, but it doesn't stand out as a particularly high source of this mineral in comparison to fruits like oranges. Thus, oranges emerge as a strong alternative to bananas when discussing potassium-rich foods.