Potassium
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Questions and Answers

What is the body's normal daily potassium requirement to maintain a serum potassium concentration of 3.5 to 5 mEq/L?

  • 1 to 2 mEq/kg
  • 2 to 3 mEq/kg
  • 1.5 to 2.5 mEq/kg
  • 0.5 to 1 mEq/kg (correct)
  • What is the most abundant cation in the intracellular fluid (ICF)?

  • Sodium
  • Chloride
  • Calcium
  • Potassium (correct)
  • Which hormonal mediator of potassium balance stimulates the cellular Na+/K+ ATPase pump to increase transport of potassium into liver, muscle, and adipose tissue?

  • Cortisol
  • Insulin (correct)
  • Glucagon
  • Thyroid hormone
  • What promotes urinary potassium excretion in response to high-serum potassium concentrations?

    <p>Aldosterone</p> Signup and view all the answers

    How is hypokalemia often categorized when the serum potassium is 3.1-3.5 mEq/L?

    <p>Mild</p> Signup and view all the answers

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