Renal — Flashcards

Flashcard 331: The _____ ratio is used as a marker for water reabsorption along the nephron

Answer: [TF/P]inulin

Flashcard 332: Without ADH, the late distal tubule and collecting ducts are _____ to H2O

Answer: impermeable

Flashcard 333: Vasoactive intestinal polypeptide (VIP) causes _____ intestinal H2O and electrolyte secretion

Answer: increased

Flashcard 334: In the thick ascending limb, NH4+ is reabsorbed and added to the _____ gradient

Answer: corticopapillary osmotic

Flashcard 335: Normal serum osmolality is ~ _____ mOsm/kg H2O

Answer: 290

Extra: * Normal range: 275-295 mOsm/Kg Other: Goljan

Flashcard 336: Renal blood flow (RBF) remains relatively constant between blood pressure ranges of _____ to _____ mmHg

Answer: 80

Flashcard 337: PTH increases production of Calcitriol activity by stimulating _____ in the kidney

Answer: 1-alpha-hydroxylase

Flashcard 338: Cirrhosis will cause a(n) _____-osmotic volume _____

Answer: hypo

Extra: * peeing out albumin/decreased production --> decreased serum oncotic pressure --> decreased intravascular volume --> increased extravascular pressure, which then goes to interstitial space chronic decreased intravascular volume --> inc ADH and aldosterone + fluid retention (hyposmotic expansion)

Flashcard 339: In chronic renal failure, the combination of elevated PTH and decreased 1,25-(OH)2D3 produces _____, in which there is increased bone resorption and osteomalacia

Answer: renal osteodystrophy

Flashcard 340: Primary hypothyroidism = _____ prolactin

Answer: ↑