Practice Test Geeks(MRO) Medical Review Officer Certification Practice Test
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Drug Testing Procedures Flashcards

6 cards from real MRO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Drug Testing Procedures flashcards as text

  1. What is the primary purpose of a Medical Review Officer (MRO) in drug testing?

    Answer: Evaluate and verify drug test results

    An MRO is responsible for reviewing lab results and verifying if a legitimate medical explanation exists for positive drug tests.

  2. Which specimen type is most commonly used in federally regulated drug testing?

    Answer: Urine

    Urine is the standard specimen used in federally regulated drug testing due to its reliability and established testing protocols.

  3. What is the chain of custody in drug testing?

    Answer: Documentation tracking specimen handling

    The chain of custody ensures that the specimen is handled and documented in a way that maintains its integrity throughout the process.

  4. What step follows a non-negative initial test result?

    Answer: Conduct confirmatory testing

    A non-negative result must be confirmed by a certified laboratory using more specific testing, such as GC/MS or LC/MS.

  5. Which federal agency sets the guidelines for workplace drug testing?

    Answer: SAMHSA

    The Substance Abuse and Mental Health Services Administration (SAMHSA) provides the standards and protocols for drug testing procedures.

  6. Why is specimen validity testing performed?

    Answer: To ensure specimen integrity

    Specimen validity testing checks for adulteration or substitution to ensure the sample has not been tampered with.

How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

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  1. mrocc.org — Retake policy, test delivery, eligibility, exam dates, fees, exam format, passing score, renewal, score release, test dates · verified Oct 2026