Certified Medical-Surgical Registered Nurse (CMSRN) Practice Exam

Foods that are particularly high in potassium include avocados, dried fruits, and potato skins. Avocados are not only rich in healthy fats but also provide a substantial amount of potassium, which is crucial for various bodily functions including muscle contraction and nerve transmission. Dried fruits such as apricots, figs, and raisins concentrate the potassium content by removing the water, making them excellent sources for this important mineral. Potato skins, which often contain higher levels of potassium compared to the flesh of the potato, are another great choice, as they retain many of the nutrients that are sometimes discarded when the skin is removed. In contrast, options like cheese, rice, and bread generally have lower potassium levels, while beef, fish, and poultry do contain potassium but not in the same abundance as plant-based sources. Finally, grains, nuts, and legumes are nutritious but tend to be higher in other nutrients such as fiber and protein rather than potassium specifically, making them less optimal choices compared to the foods in the correct answer.