Sodium and Water Balance — Flashcards

Sodium and Water Balance — Flashcards

Sodium and Water Balance — Flashcards
#1

The _____ and thick ascending limbs (loop of Henle) are impermeable to water

#2

When CH2O is _____, urine is iso-osmotic relative to plasma

#3

In the presence of _____, aquaporin 2 channels are inserted in the luminal membrane of principal cells of the late distal tubule and collecting duct

#4

When CH2O is _____, urine is hyper-osmotic relative to plasma

#5

A _____ shift in renal pressure natriuresis curve is caused by angiotensin II by increasing Na and water retention

#6

The _____ cells of the late distal tubule and collecting duct reabsorb Na+ and H2O

#7

The major action of ADH (vasopressin) is to increase _____ of the principal cells in the late distal convoluted tubule and collecting duct

#8

Atrial natriuretic peptide dilates afferent renal arterioles and constricts efferent renal arterioles, which _____ excretion of Na+ and water, along with downregulating ENaC on the collecting tubules

#9

What formula is used to calculate clearance? _____

#10

What equation may be used to calculate free-water clearance (CH2O)? _____

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Sodium and Water Balance Flashcards | Renal Physiology Study Cards - OnCourse