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Old 09-26-2011
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Default calculi

A 39-year-old man presents with severe writhing back pain, hematuria, and nausea. An intravenous pyelogram (IVP) confirms a diagnosis of renal calculi. The presence of strongly opaque stones on the plain film is suggestive of calcium oxalate stones, which have an increased incidence with hypophosphatemia. The renal clearance of phosphate is increased by which of the following hormones?
A.
Aldosterone

B.
Parathyroid hormone

C.
Norepinephrine

D.
Vasopressin

E.
Angiotensin

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Old 09-26-2011
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B) parathyroid - trashes the phosphate
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Old 09-26-2011
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parathyroid hormone increase calcium absorption n phosphate excretion
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Old 09-26-2011
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PTH - Pump Out - Phosphate in Proximal Convoluted Tube.... As you can see all the P. In that way... never forget where exactly Kidney Excrete out Phosphate.
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Old 09-26-2011
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B. Parathyroid hormone
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Old 09-26-2011
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Answer is parathyroid hormon. . . .
PTH pumps out phosphate in proximal tubule along with bicarbonate that leads to type 2 renal tubular acidosis

thats why PTH increases in respiratory alkalosis. . .

Good fact to remember!!!
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Old 09-26-2011
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PTH---clears phosphate
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PTH .......
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Old 09-27-2011
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Default B.

Quote:
Originally Posted by ricko335 View Post
A 39-year-old man presents with severe writhing back pain, hematuria, and nausea. An intravenous pyelogram (IVP) confirms a diagnosis of renal calculi. The presence of strongly opaque stones on the plain film is suggestive of calcium oxalate stones, which have an increased incidence with hypophosphatemia. The renal clearance of phosphate is increased by which of the following hormones?
A.
Aldosterone

B.
Parathyroid hormone

C.
Norepinephrine

D.
Vasopressin

E.
Angiotensin

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B.
Parathyroid hormone
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Quote:
Originally Posted by rulz View Post
PTH - Pump Out - Phosphate in Proximal Convoluted Tube.... As you can see all the P. In that way... never forget where exactly Kidney Excrete out Phosphate.
good mnemonic and the right answer
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Old 09-27-2011
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Quote:
Originally Posted by ricko335 View Post
good mnemonic and the right answer
Glad it helps... =) You know, getting all we can to get this done. =)
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