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MRO Test Study Guide UPDATED ACTUAL Questions and CORRECT Answers

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MRO Test Study Guide UPDATED ACTUAL Questions and CORRECT Answers

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February 2, 2026
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Written in
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MRO Test Study Guide UPDATED ACTUAL Questions and CORRECT Answers

Which statement is correct about a canceled test? C. The donor must be tested again if the test was a follow-up test.
A. The employer must treat a canceled test the same as a
negative test.
B. The donor must be tested again if the test was a post-
accident test.
C. The donor must be tested again if the test was a
follow-up test.
D. If the test was canceled through no fault of the donor,
the canceled test will count towards the minimum number
of random tests the employer is required to perform.


Who may become an MRO? Licensed physicians such as a Doctor of Medicine or Doctor of Osteopathy


Laboratory guidelines for analyzing dot specimens are Health and Human Services (HHS)
developed by who?


Regulatory guidelines for DOT drug and alcohol testing 49 CFR Part 40
are referred to as


Specifies the DOT agencies covered by the Federal Omnibus Transportation Employee Testing Act
testing regulations (1991)


The role of the MRO was first defined by. HHS as directed by Reagan's Executive Order 12564


Drug testing requirements for Federal employees were Reagan's Executive Order 12564 in 1986
established by who and when


What are the requirements to be an MRO? Pass a certification exam.
Take an MRO course.
Be a licensed physician.


Omnibus Transportation Employee Testing Act In 1991, Congress passed the____________ to specify the DOT agencies covered
by the federal testing regulations.


Which of the following are Not MRO responsibilities? Give official interpretations of DOT regulations to employers
A. Review results of blind quality control samples
B. Monitor errors made by collectors
C. Give official interpretations of DOT regulations to
employers
D. Act as a "gatekeeper" for drug test results
E. All of the above are MRO responsibilities


What agencies fall under DOT Regulations: FAA
USCG
FMCSA
PHMSA
FTA
FRA

, What 2 government agencies are authorized to interpret Office of Drug and Alcohol Policy and Compliance (ODAPC) and the DOT Office
federal D&A regulations of General Counsel (OGC)


True/False False
MRO is required to review all drug and alcohol test
results


What does SAP stand for? Substance Abuse Professional


Which is not one of the topics covered in 49 CFR Part C. Role of the Medical Review Assistant
40?
A. Urine collection personnel
B. Medical Review Officer and the Verification Process
C. Role of the Medical Review Assistant
D. Problems with Drug Tests
E. Public Interest Exclusion
F. All the above are covered in 49 CFR Part 40


Each of the five DOT operating agencies has a set of C. Procedures for performing a urine drug screen collection
regulations unique to that agency. Which of the following
subjects is not found in one of the operating agency
regulations?
A. List of job duties that are covered by the DOT
regulations
B. Consequences for a positive drug or alcohol test
C. Procedures for performing a urine drug screen
collection
D. Training requirements for employees and supervisors
E. Definition of an accident that requires post-accident
testing
F. All the above are correct


Which is a true statement about the Designated Employer D. Is authorized to receive drug test results from the MRO
Representative (DER)?
A. Must receive training and pass a DER certification test
B. Must have the authority to terminate employees who
violate DOT drug testing rules
C. Is responsible for identifying employee behavior that
requires a reasonable suspicion test
D. Is authorized to receive drug test results from the
MRO


Which of the following entities is not considered to be a C. DER
Service Agent?
A. Collector
B. MRO
C. DER
D. MRO Assistant
E. SAP
F. Laboratory
G. All the above are Service Agents


What drug Classifications are included in the DOT panel? Amphetamines, Cocaine, Marijuana, Opioids, and PCP

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