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Strasinger Chapter 5 Chemical Examination of Urine Questions and Correct Answers $8.99   Add to cart

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Strasinger Chapter 5 Chemical Examination of Urine Questions and Correct Answers

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Reagent strips these examine = pH, protein, glucose, ketones, blood, bilirubin, urobilinogen, nitrite, leukocytes, specific gravity Reagent strip bottles store these at room temperature QC is done with positive and negative controls every 24 hrs Confirmatory testing using different methods to de...

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  • September 12, 2024
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Strasinger Chapter 5 Chemical
Examination of Urine Questions and
Correct Answers
Reagent strips ✅these examine = pH, protein, glucose, ketones, blood, bilirubin,
urobilinogen, nitrite, leukocytes, specific gravity

Reagent strip bottles ✅store these at room temperature

QC is done with positive and negative controls every ✅24 hrs

Confirmatory testing ✅using different methods to detect the same substances

pH ✅kidneys and lungs regulate this acid base in the body.

Clinical significance of pH ✅aids in determining disorders of the metabolic or
respiratory origin.

Urinary pH ✅may indicate a disorder resulting from the kidneys inability to secrete or
to reabsorb acid or base.

Urine pH control ✅mainly the diet

pH # ✅fresh urine does not reach above 8.5. This would indicate improper storage or
abnormal conditions. Request new urine sample

Reagent strip reaction ✅methyl red --> bromthymol blue

Protein in urine ✅the most indicative of renal disease

major serum found in normal urine ✅albumin

Tamm-horsfall protein ✅uromodulin

Uromodulin is produced ✅in the distal convoluted tubule

Clinical significance of protein ✅can help diagnose, prerenal, renal, and post renal

Prerenal proteinuria ✅caused by conditions affecting the plasma prior to reaching the
kidneys

, Bence Jones protein ✅possible multiple myeloma

Renal proteinuria ✅renal disease resulting in glomerular or tubular damage

glomerular proteinuria ✅resulting damage lets more proteins pass and eventually
RBC's and WBC's

Proteinuria can be associated with... ✅extreme exercise, and also cause pre-
eclampsia during pregnancy

Micro albuminuria ✅can show in those with diabetes mellitus 1&2

orthostatic proteinuria ✅evident in those that are vertical but disappears when
horizontal. Good for morning urine collection

tubular dysfunction disorders ✅heavy metals, severe viral infections, Fanconi
syndrome

Post renal proteinuria ✅passing of urine through the urinary tracts producing exudates
from the interstitial fluid

reagent strip reaction ✅yellow to blue-green

False-positive reagent strip reading ✅specimens with a high specific gravity,
pigmented urine

Sulfosalicylic Acid test ✅performed under certain conditions, must be centrifuged and
is a cold precipitation test

creatinine reagent strip reaction ✅peroxidase --> chromogen to orange-blue

Glucose ✅most frequently performed test on urine

Diabetes mellitus ✅early diagnoses can be done through urine and blood test.
symptoms are non-specific and this can lead to symptoms going undiagnosed.

Clinical significance ✅reabsorbed into the proximal convoluted tubule in normal
conditions and is by active transport

Renal threshold ✅160-180 mg/dL

Glycosuria ✅usually preceded my a meal of high glucose content

hyperglycemia ✅can occur during pregnancy and is gestational diabetes

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