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MLT-120 exam I
physical and chemical urinalysis
Question | Answer |
---|---|
specific gravity | ionic solutes cause protons to be released |
pH | methyl red and bromthymol blue |
blood | pseudoperoxidase activity of the heme |
leukocyte esterase | enzyme reaction and then diazo salt reaction |
nitrite | diazotization reaction by Greiss |
protein | precipitation technique, indicator of errors |
glucose | enzyme reaction using glucose oxidase |
ketones | nitroprusside reaction |
bilirubin | diazonium salt test sensitive to light |
urobilinogen | modified Erlich's reagent |
prophobilinogen | Watson Schwartz test |
nephron | working unit of kidney |
glomeurlus | capillary tuft |
renal threshold | maximum amount reabsorbed into blood |
anuria | absence of urine |
polyuria | > 2000ml/24hrs |
straw | very pale yellow |
amber | color when bilirubin present |
ascorbic acid | chemical interference, vitamin C |
Clinitest | Reducing sugars |
Acetest | urine/serum test for ketones |
Ictotest | backup test for bilirubin |
cortex | outer most layer of kidney |
medulla | interior of kidney |
RAAS | regulates blood volume and pressure |
ADH | regulates water balance |
urea | amino acid metablism |
creatinine | muscle breakdown |
uric acid | causes gout |
GFR | volume filtered over time |
Straw | light yellow color |
osmolality | freezing point depression |
refractometer | refractive index of light |