Kidney unit Flashcards
(40 cards)
Nephron
powehouse of the kidney , function infulenced by hormones
each works independently
all segments must work to be effective
Glomerulus
mass of cappliaries
produces ultrfiltrate
Ultrafiltrate
fluid water and solutes from the blood
Filtration
passive doesn’t require energy
excessive protein
more waste product
with kidney function
BUN not effected much
failing kidneys
BUN INCREASE
Min urine output adults
500 ml
orgiurial
urine output less than 500 ml
Azotemia
increase of BUN and Creatnine
kidneys filter how much blood
1600 L/day
kidneys produce how much ultrafiltrate
180 L/d
oxalate
component found in food
kidney functions
Renin Angiotension system (fluid balance)
Maintence of calcium phos balance
produces eryhtroprotein regulates erythroid activity in bone marrow
PTH
increase when the kidneys are failing
Amemia
kidney disease the most likley cause
Nephrolithiasis (kidney stones)
low urine vol is the single most important risk factor
are infulenced by poor fluid intake
strongest predictor of stone reoccurance
obesity
Big picture for kidney stones
increase fluid
Aggrivate of kidney stones
apple and grapefruit juice
high oxalate containing foods
potaoes rubarb navy beans rasberries
Vitmain C intake with stones
don’t take vitmain C supplments dt breaking down oxalate so more is avalible for stones to form
reduce stones risk
cranberry /orange juice tea coffee wine beer
increase animal pro foods
increase the acity of the urine