Classification of Diuretics Flashcards
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Questions and Answers

Which of these are the four major categories of diuretics?

  • Osmotic (correct)
  • Potassium-sparing (correct)
  • Thiazide (correct)
  • Loop (correct)
  • What is a common example of a loop diuretic?

    Furosemide (Lasix)

    What is a common example of a thiazide diuretic?

    Hydrochlorothiazide (HCTZ)

    What is a common example of an osmotic diuretic?

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

    What are the two subcategories of potassium-sparing diuretics?

    <p>Nonaldosterone antagonists</p> Signup and view all the answers

    Study Notes

    Classification of Diuretics

    • Diuretics are classified into four major categories: loop, thiazide, osmotic, and potassium-sparing.

    Loop Diuretics

    • Furosemide, commonly known as Lasix, is a prototypical loop diuretic.
    • Loop diuretics inhibit the reabsorption of sodium and chloride in the ascending loop of Henle.

    Thiazide Diuretics

    • Hydrochlorothiazide (HCTZ) is a widely used thiazide diuretic.
    • Thiazide diuretics work primarily on the distal convoluted tubule to promote sodium and water excretion.

    Osmotic Diuretics

    • Mannitol is the primary example of an osmotic diuretic.
    • Osmotic diuretics increase urine flow by drawing water into the renal tubules due to osmotic pressure.

    Potassium Sparing Diuretics

    • This category has two subcategories:
      • Aldosterone antagonists, such as spironolactone, block the effects of aldosterone, promoting sodium excretion while conserving potassium.
      • Nonaldosterone antagonists, like triamterene, also prevent potassium loss through different mechanisms.

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    Description

    This quiz provides a comprehensive overview of the four major categories of diuretics, including loop, thiazide, osmotic, and potassium-sparing diuretics. Each card presents key information and examples relevant to each category. It's an excellent resource for pharmacy students and healthcare professionals.

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