Potassium+Homeostasis

Objectives

 * Know how much potassium is normally in the various body compartments
 * know the ass flow rates of potassium
 * Understand the biochemical reasons for potassium distribution
 * Describe how different parts f the nephron affect the luminal potassium concentration.
 * Understand the common modulators of potassium excretion
 * Know the role of aldosterone and amelioride in electrolyte balance
 * recognize potassium-wasting versus potassium-sparing diuretics, and the cellular mechanisms thereof
 * understand the connection between magnesium and potassium metabolism.