Distal tubule and collecting duct function — Flashcards

Distal tubule and collecting duct function — Flashcards

Distal tubule and collecting duct function — Flashcards
#1

_____ (aldosterone or ADH) primarily regulates osmolarity; may also respond to low volume states

#2

Aldosterone upregulates the _____ pump on the basolateral membrane of the principal cells

#3

Thiazide diuretics increase Ca2+ _____ (excretion or reabsorption)

#4

Which areas (2) of the nephron are responsible for adjustments of K+ excretion?_____

#5

The _____ cells of the collecting duct are the major site of Na+, K+, and H2O transport

#6

ADH-activated V2 receptors cause translocation of _____ channels to the renal apical membrane, causing increased reabsorption of free water

#7

Titratable acid is primarily excreted in the _____ cells of the late distal tubule and collecting duct

#8

K+ channels on the luminal membrane of the principal cells of the collecting duct _____ K+ (absorb or secrete)

#9

The late distal convoluted tubule and collecting ducts normally reabsorb approximately _____% of the filtered Na+

#10

The [TF/P]glucose and [TF/P]AA ratios _____ over the course of the PCT

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