MRO (Medical Review Officer) 100 Practice Questions with Verified Answers & Detailed Rationale | 100% Correct | Latest 2025/2026 Update.

MRO (Medical Review Officer) 100 i,- i,- i,- i,- i,-




Practice Questions with Verified i,- i,- i,- i,-




Answers & Detailed Rationale | 100% i,- i,- i,- i,- i,- i,-




Correct | Latest 2025/2026 Update. i,- i,- i,- i,-




After completing review of drug test results, interviewing the
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donor and documenting findings, an MRO must do which of the
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following?
A.Confirm laboratory results i,- i,-




B.Reconfirm laboratory results i,- i,-




C.Verify drug test results i,- i,- i,-




D.Report findings to laboratory and employer
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The determination of an MRO is called a "verification" decision.
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Laboratories confirm lab results though performing a second test
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using a different analytical method and performing internal
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quality control measures. A laboratory to which a split specimen
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is send reconfirms or fails to reconfirm the original laboratory's
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findings. MROs report findings to employers, but do not routinely
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report to laboratories.
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The MRO safety duties include all but which of the following
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activities?

,A.Consider essential job functions i,- i,- i,-




B.Review appropriateness of medications donor is taking
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C.Verify prescriptions with PCP/pharmacy
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D.Assess safety risks from medications
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A, C and D are all part of the considerations of an MRO in
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assessing workplace safety. However, the DOT has made it
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explicitly clear that while an MRO may express safety concerns to
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the donor and discuss them with prescribing health care
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professional, the MRO is admonished NOT to determine whetheri,- i,- i,- i,- i,- i,- i,- i,- i,-



the medication was appropriately prescribed.
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The one exception for federal employees is mentioned the
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SAMHSA MRO Guidance Manual, which does allow MROs to "use
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reasonable medical judgement to make the decision that the
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provided prescription was generated in response to the donor's
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current medical condition
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At what age does use of illicit drugs peak in the U.S.?
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A.12-17
B.18-24
C.25-3
D.33-50
E.51 and older i,- i,- i,-i,- i,- B

,The National Survey on Drug Use and Health has consistently
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shown in all its surveys from 2000-2018 that illicit drug use peaks
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at ages 18-24.
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The greatest increase in U.S. drug overdose deaths is due to
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which of the following categories of drugs?
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A.Cocaine
B.Heroin
C.Methamphetamine
D.Natural and semi-synthetic opioids i,- i,- i,-




E.Synthetic opioids other than methadone (e.g., fentanyl) i,- i,- i,- i,- i,- i,- i,-i,- i,- E
The Centers for Disease Control and Prevention (CDC) National
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Center for Health Statistics has tracked drug overdose deaths
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from 1999-2017. Overdose deaths from many different drug
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classes have risen, including heroin, natural and semisynthetic
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opioids, cocaine, and methamphetamine. But none have risen so
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dramatically as synthetic opioids other than methadone i,- i,- i,- i,- i,- i,-




What are the most frequent sources of pain relievers that are
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misused in the U.S.? i,- i,- i,-




A.Drug dealers i,-




B.Health care providers i,- i,-




C.Friends or relatives i,- i,- i,-i,- i,- A. Drug dealers or other stranger - 6.5%
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, B. Prescriptions or stone from a health care provider - 37.6%
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C. Given by, bought from or took from friend or relative - 51.3%
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Which of the following drug tests is not required for federal
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employees under the federal Drug-Free Workplace Program?
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A.Preplacement
B.Post-accident
C.Return to duty i,- i,-




D.Unreasonable suspicion i,-




E.Random i,-i,- i,- D
SAMHSA's Drug Free Workplace Program specifies "Reasonable
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Suspicion" as one of the types of drug testing. This is found on
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the federal Custody and Control Form. The incorrect answer was
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unreasonable suspicion. i,-




Which of the following is the "weakest link" in drug testing, i.e.,
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generally produces the most frequent errors?
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A.Specimen collection i,-




B.Laboratory testing i,-




C.MRO review i,- i,-i,- i,- A