5-8. Urinalysis

Urine creatinine should be __x that of plasma creatinine

What can be used to differentiate hemoglobin from myoglobin in terms of solubility

Method for determining glucose on dipstick

If these casts remain in tubules long enough, they begin to look waxy

How to differentiate whether hemoglobin or myoglobin is present in urine?

2 main differences between ischemic and toxic acute tubular necrosis (ATN)

Isosthenuric urine (SG=1.010) occurs when..?

These casts signify nephrotic syndrome

Crystal that is a feature of an old specimen

3 mechanisms that result in ketonuria

Responsible for white foam in urine

Urine preservative when urine is for drug analysis

Limitation of chemstrip protein pad?

What interferes with diazo rxn and how

The refractometer is affected by this parameter and is a source of error

Most commonly requested test on a catheter specimen

Epithelial casts are mostly composed of this cell

Large colorless needles in fan or wheat sheaf formations w/ eccentric binding

What does clear, red urine suggest (scientific name)?

Pre-hepatic jaundice urobilinogen and bilirubin in urine?

Usually found together with leucine crystals in patients with terminal cirrhosis or viral hepatitis

What does cloudy, red urine suggest (scientific name)?

Refractile needles occurring in sheaves or clusters; may be colourless but appear black as the field is focused

Which rxn principle? Leukocyte