Nutrition for Nurses

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Potassium

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Nutrition for Nurses

Definition

Potassium is an essential mineral and electrolyte crucial for maintaining proper cell function, nerve transmission, and muscle contraction. It plays a significant role in maintaining fluid balance, blood pressure regulation, and overall cardiovascular health.

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5 Must Know Facts For Your Next Test

  1. Potassium helps regulate the balance of fluids in the body, which is vital for all physiological processes.
  2. It is essential for normal heart rhythm and function, making it critical for cardiovascular wellness.
  3. Adequate potassium intake can help counteract the adverse effects of sodium on blood pressure.
  4. Kidneys play a key role in maintaining potassium balance by excreting excess amounts through urine.
  5. Hypokalemia (low potassium levels) can lead to serious health issues such as muscle weakness, cramps, and irregular heartbeats.

Review Questions

  • What are the primary functions of potassium in the human body?
  • How does potassium intake affect cardiovascular health?
  • What role do kidneys play in regulating potassium levels?
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