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