Key Facts Flashcards
rate fluids filtered at glomerulus
90- 120 ml/min
final urine volume rate excreted as urine
1 ml/min avg
dehydration reduces urine production
0.3 ml/min
excessive hydration increase urine production
15 ml/min
avg adult urine daily volume
1200-1500 ml
more urine produced day/night
during day
normal total urine may range from
600- 2400 ml/24 hours
abnormal increase in vol of urine (> 2500 ml per 24 hour period)
polyuria
decrease in urinary volume, that occurs such as in shock and acute glomerulonephritis ( less than 400 ml/24 hour)
oliguria
complete suppression of urine formation in spite of high fluid intake (sometimes described as less than 75 ml/24 hour period for 2-3 days)
anuria
urine consists of:
water urea uric acid creatinine ammonia sodium chloride potassium calcium magnesium phosphates sulfates
in 24 hours, body excretes ~ ____ g of dissolved material, HALF is ____
60 g
urea
ABNORMAL urine may consist of:
bilirubin
blood
glucose (should be reabsorbed in proximal tubules)
ketone bodies (signifies destruction of lipase)
porphyrins (signifies genetic disorder)
protein
sediment which may be found in urine
crystals
casts
cells
inflammation of bladder
cystitis
