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A urine sample has a greenish hue. What could possibly cause this color?

What component of urine may rise to a plane just below the coverslip and is in a different plane of focus than the other elements?

Which test should be run if the patient has failed a water deprivation test or has dehydration or azotemia?

A urine sample is collected just before an emergency coming into the clinic. What can be done to the sample to ensure accurate results?

Which test would be run to assess intestinal malassimilation?

Nitrite levels are used as an indirect indication of ___________ in the urine.

Which is a type of enzyme with similar catalytic activities but different physical properties?

Which species would be expected to have lower GGT activity?

An insufficient production of antidiuretic hormone by the posterior pituitary gland can result in which of the following?

When bilirubin is conjugated, it is bound to which of the following?