• Potassium movement into cells is promoted by : insulin, beta 2 agonists and alkalosis
• Renal potassium excretion is promoted by aldosterone, loop and thiazide diuretics, increased urine flow rates and ADH
• Amiloride and spironolactone oppose potassium excretion.
• In the distal tubule, sodium reabsorption and potassium secretion are mechanistically linked.
• Aldosterone, therefore, promotes sodium reabsorption and potassium secretion

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C. A. O'Callaghan 2004