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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 |