Exam (elaborations)
NSG 532 RENAL SYSTEM TEST
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NSG 532 RENAL SYSTEM TEST...
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NSG 532 RENAL SYSTEM TEST25%
CO delivered to renal system
1800L
plasma amount filtered by the kidneys every day
1L
urine output every day
>99%
solutes/products reabsorbed from filtrate
cells & proteins
RBC, WBC, etc., albumin NOT filtered through the kidneys
Bowman's capsule
cup-shaped structure of the nephron of a kidney which encloses the glomerulus
and which filtration takes place
route of filtration to excretion
Bowman's capsule (glomerulus)
> proximal tubule (1st & 2nd half)
Loop of Henle
> thin descending
> thin ascending
> thick ascending
Distal Tubule
> early distal tubule
> late distal tubule
> collecting duct
reabsorption
process whereby renal tubules return materials necessary to the body back into
the bloodstream
secretion
EC fluid into nephron (water and solutes) end up in the filtrate
first half proximal tubule
reabsorb: Na+, HCO3-, glucose
secrete: H+
, second half proximal tubule
reabsorb: Cl-, Na+, K+
secrete: H+
thin descending limb
permeable to H2O, impermeable to solutes
high concentration
filtrate leaving the thin descending limb
thin ascending limb
permeable to solutes, not permeable to H2O
Lasix action
@ thick ascending limb
thick ascending limb reabsorption
Na+, Cl-, K+
thick ascending limb impermeable
H2O
early distal tubule impermeable
H2O
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