Multiple choice

Which of the following causes an increase in renal potassium excretion?

  1. Loop diuretics

  2. Aldosterone

  3. Spironolactone

  4. Increased urine flow rates

  5. Thiazide diuretics
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Spironolactone opposes the actions of aldosterone and so, has the opposite effect. It is an aldosterone receptor antagonist that causes the kidneys to remove water and sodium from the body, with reduced losses of potassium.

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