Exam 52: Assisting in the Analysis of Urine

If a urine specimen cannot be analyzed within 30 minutes, the best course of action is to:

__________ is the membrane that collects the filtrate from the afferent arterioles of the nephron unit.

__________ are the end-products of fat metabolism and are detected in the urine samples of patients with uncontrolled diabetes.

Casts in a urine specimen develop in what part of the urinary tract?

An EIA test result for pregnancy is positive if anti-hCG is present in the urine.

Crushing injuries and MIs can result in __________.

Urine suspected of having high levels of which substance should be stored in a dark place before testing?

The cycle of urine production in the nephron unit is reabsorption, filtration, and excretion.

Quality control methods for microscopic examination of urine requires a minimum of 20 mL of urine that has been centrifuged for 10 minutes.

You are examining a patient's urinalysis report.Which of the following factors is normal?

Describe the changes that occur in urine when it has been sitting at room temperature. • Clarity • Color • pH • Glucose • Ketones • Bilirubin • Blood • Nitrite • Bacteria

You open a urine sample for testing and immediately detect a fruity odor.Which test result do you expect to be elevated on chemical analysis?

You are working in a PCP office that routinely performs work-related drug screenings.Describe several methods that may be used to ensure that the urine sample has not been adulterated.

The most accurate method for performing alcohol screening is analysis of a urine sample.

In general, artifacts in urine sediment, such as mucous threads and starch granules, are quantified and reported.

In the microscopic observation of urine sediment, yeast most resembles:

When instructing a female patient in how to obtain a clean-catch, midstream urine specimen, you should tell her to use how many antiseptic towelettes?

Reagent strip testing must be performed on a fresh specimen within 1 hour of collection.

The medical assistant is responsible for making sure laboratory specimens are properly labeled and prepared for shipping to the referral laboratory.Describe this procedure.

The Clinitest is performed as a screening test for glycosuria.