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12 Cards in this Set

  • Front
  • Back
K+ is secreted into the _________ ___________ lumen
descending limb
K+ is ____________ from the ascending limbs and collecting ducts
reabsorbed
Diuretics ____________ potassium reabsorption
inhibit
The body tightly regulates what form of calcium?
free (ionized)
moment to moment regulation of calcium is performed by shifting it in and out of __________
bone
Decrease in plasma calcium leads to a release of what hormone?
PTH
Proximal Tubule reabsorption of calcium is increased by PTH (true/false)
false (no hormonal regulation at the PT)
Calcium reabsorption in the thick ascending limb is __% active and ___% passive
50/50
Loop diuretics _________ Ca+ reabsorption
decrease
Thiazide diuretics _________ Ca+ reabsorption
increase
Increase in Na+ reabsorption in the proximal tubule leads to __________ Ca+ reabsorption
increased
___________ is the key regulator of phosphate excretion. how?
PTH; It inhibits apical sodium/phosphate uptake