A portion of a well-mixed sample that is removed for testing is called a(n):
What is aliquot
100
If a urine specimen cannot be analyzed within 30 minutes, the best course of action is to:
What is refrigerate the specimen
100
One of the first detectable signs of renal disease is:
What is proteinuria
100
A substance the produces a chemical or a biological reaction with the patient’s sample to detect or measure the substance or condition determined by the laboratory test is known as a:
What is a reagent
100
The analysis of clinical samples as close as possible to the patient.
What is POC
200
A term used to describe a blood sample in which the red blood cells have ruptured is:
What is hemolyzed
200
A cloudy urine specimen may be the result of the presence of which of the following?
What is amorphous crystals
200
The cell most likely seen in a normal specimen of urine is a:
What is squamous epithelial cell
200
A device or solution used to monitor a test system to ensure proper test performance and correct results:
What is a control
200
The puncture of a vein through the skin in order to withdraw blood for analysis.
What is venipuncture
300
A centrifuge is used to separate:
What are solids from liquids, blood cells from serum or plasma, and crystals from urine.
300
Which of the following is mismatched concerning urine color and the likely pathologic cause?
What is Reddish brown—diabetes
300
A child whose urine has a mousy smell most likely would be diagnosed with:
What is phenylketonuria (PKU)
300
Test systems that have been cleared by the FDA for home use, or have been determined to meet CLIA criteria of being a simple test with an insignificant risk for a erroneous results.
What is a waived test
300
True of target cause determined by comparing results to accepted correct results or by comparing results from another laboratory using a comparable method.
What is accuracy
400
Balancing a centrifuge requires that all tumbles in the load
What is have a partner directly across in the rotor holder
400
Urine suspected of having high levels of which substance should be stored in a dark place before testing?
What is bilirubin
400
Which of the following is not used to measure specific gravity?
What is microscope
400
Describes conditions that might influence the test results or for which the test is not designed.
What is limitations
400
A method used to remedy a situation, remove an error, adjust a condition, or prevent recurrence of a problem.
What is corrective action
500
Which of the following is not a waived test?
What is Gram staining
500
On chemical analysis, a urine specimen from a female with a urinary tract infection (UTI) most likely reveals _____ pH, _____ nitrite, and _____ leukocyte esterase.
What is increased; increased; increased
500
A 24-hour urine sample is ordered to determine which of the following?
What is creatinine clearance rates
500
A procedure in which a finger is pricked to obtain a small quantity of capillary blood for testing.
What is a fingerstick
500
A fixed step-by-step sequence of activities or course of action that must be followed in the same order to correctly perform a task.