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Urinalysis- Drug testing
test 1
17
Health Care
Undergraduate 4
09/13/2009

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Cards

Term
what are the three main ways to 'beat' a drug test?
Definition
dilution, substitution, and adulteration
Term
How many validity tests are done?
Definition
two- inital and confirmatory
Term
What is it called when a urine specimen has creatinine and specific gravity values that are lower than expected for human urine?
Definition
dilute specimen
Term
If the creatinine is less than 20 mg/dL and the specific gravity is between 1.0010 and 1.0030, what do you report?
Definition
dilute specimen- unless criteria for substituted specimen is met
Term
what is it called when the urine sample is replaced with a non-urine sample or a drug free urine?
Definition
substitution
Term
what is it called when you have a urine specimen with creatinine and specific gravity values that are so diminished or incongruent that they are not consistent with normal human urine?
Definition
substituted specimen
Term
what are the criteria for reporting substituted urine?
Definition
creatinine less than or equal to 2.0 mg/dL and the specific gravity is betwen 1.0010 and 1.0200
Term
what is it called when you have a urine specimen containing a substance that is not a normal constituent or an endogenous substance at a concentration that is not a normal physiological concentration?
Definition
adulterated specimen
Term
What are the criteria for adulterated specimen?
Definition
nitrite concentration above 500 micrograms/mL or pH less than 3.0 or 11 or higher.
Term
When would you report a result as 'invalid'?
Definition
when you detect an adulterant or interferent that is unable to identify.
Term
What would you report if the pH is 3.5?
Definition
invalid
Term
what would you report if the pH is 11?
Definition
adulterated
Term
What would you report if the pH is 10?
Definition
invalid
Term
what would you report if nitrites exceed 500 mcg/mL
Definition
adulterated
Term
what would you report if the creatinine is less than 2.0 and the specific gravity is 1.010?
Definition
invalid
Term
What would you report if the creatinine is 5.0 and the specific gravity is 1.0000
Definition
invalid
Term
What would you report if the creatinine is less than 2.0 and the specific gravity is 1.010
Definition
substituted
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