Dilute urine
[DOC File]Faculty and Staff Pages | Furman University
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Very dilute or extremely alkaline urine can also lyse the cells. Myoglobinuria indicates muscular destruction that may appear in hypothermia, convulsions, and extensive exertions. Ketones: Ketonuria appears when there is an increased use of fat instead of carbohydrate as a source of metabolism. Conditions of ketonuria include diabetes mellitus ...
[DOC File]Chapter 26: The Urinary System - Mesa Community College
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Very dilute urine specimens, as indicated by a low specific gravity, may not contain representative levels of hCG. If pregnancy is still suspected, a first morning urine specimen should be collected 48 hours later and tested. False negative results may occur when the …
[DOC File]Effective client abstinence monitoring via drug testing is ...
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Formation of Dilute Urine. Dilute = having fewer solutes than plasma (300 mOsm/liter). (Fig 26.18) water is reabsorbed in descending limb increasing the osmolarity of the tubular fluid, but as ions are reabsorbed in thick ascending limb of loop of the fluid becomes more dilute than plasma. can be 4x as dilute …
[DOC File]DILUTE SPECIMAN POLICY - Mississippi
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This is excreted in a dilute urine, and salts are retained by the kidney and actively transported into animal across gills. - Marine organisms either passively react (and increase salt concentrations to match ocean), or retain other molecules in tissues to lower water potential to that of sea water (-1.2MPa).
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Specimen Test Result: Negative and Dilute - Creatinine = 6.2 mg/dL and Specific Gravity = 1.002. Laboratory Report: The laboratory reported the specimen using a computer-generated electronic report. Discussion: The MRO is not required to interview a donor whose urine specimen is reported as negative for drugs and dilute.
[DOC File]Iris Automated Urinalysis: iRICELL™ Procedure SW version 7 ...
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Regulation of Extracellular. Fluid Osmolarity and Sodium. Concentration. The Kidneys Excrete Excess Water by Forming a Dilute Urine When there is a large excess of water in the body, the kidney can excrete as much as 20 L/day of dilute urine, with a concentration as low as 50 mOsm/L.
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Dilute Specimen. A urine specimen with creatinine and specific gravity values that are lower than expected but are still within the physiologically producible ranges of human urine. Donor. The individual from whom a specimen is collected. Failed to Reconfirm. The result reported for a split specimen (Bottle B) when the second laboratory is ...
[DOC File]Medical Review Officer Manual - SAMHSA
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Type Method Description Control Strategy PRE-COLLECTION DILUTION Consumption of large volumes of fluid just prior to sample collection in an effort to dilute urine drug concentrations to below the screening test cutoff - thus producing false negative results.
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DILUTE SPECIMAN POLICY Urine specimens that have a creatinine level below 20mg/dl and a specific gravity less than 1.0030 are considered Dilute. What that means is that there is so much excess water in the specimen that it no longer tests as human urine. All human urine contains a protein called creatinine.
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