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UDT Monograph Edition 5 - Pre-test
Pre-test
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1.
What is the average window of detection of opioids in urine?
a. 1 to 3 hours
b. 6 to 12 hours
c. 1 to 3 days
d. 6 to 9 days
2.
A positive urine drug test result for a drug or metabolite can indicate:
a. Drug addiction or physical dependence
b. Dose taken and frequency of use
c. Current impairment
d. Recent use of the drug
e. All of the above
3.
Immunoassay drug panels typically:
a. Are not subject to cross-reactivity
b. Classify classes of drugs as present or absent according to a predetermined cutoff concentration
c. Identify individual drugs within a class
d. Provide quantitative results
e. All of the above
4.
A patient taking which of the following opioids would be expected to have a reliably positive urine drug test result with the most commonly used opiate immunoassays?
a. Codeine
b. Morphine
c. Oxycodone
d. Codeine and morphine
e. All of the above
5.
Gas chromatography/mass spectrometry (GC/MS) or liquid chromatography/mass spectrometry (LC/MS) can:
a. Be performed at the point of care
b. Identify a specific drug or drug metabolite
c. Detect only drugs that are recognized by immunoassays
d. Be affected by cross-reactivity
e. All of the above
6.
Morphine can be detected in the urine of a patient prescribed:
a. Codeine
b. Morphine
c. Hydrocodone
d. Codeine and morphine
e. All of the above
7.
A prescription for morphine can explain the presence of codeine in urine?
a. True
b. False
8.
A drug test’s cutoff is:
a. The drug concentration above which an assay reports a positive result and below which the test is negative
b. The lowest concentration of drug that that a laboratory can reliably identify in a urine specimen
9.
A GC/MS positive for morphine and hydromorphone in a patient who is being prescribed morphine is consistent with the patient:
a. Obtaining hydromorphone from the “street” or another clinician
b. Taking only morphine, if the concentration of hydromorphone is less than that of morphine, due to drug metabolism
c. Taking only morphine, regardless of the relative concentrations of the 2 drugs
10.
An immunoassay result that is negative for opiates in a patient who is being prescribed oxycodone indicates that the patient:
a. Has not recently taken morphine or codeine
b. Has not recently taken any opioids
