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Medical Review Officer (MRO) Exam ALL
QUESTIONS AND CORRECT ANSWERS
LATEST UPDATE THIS YEAR
QUESTION: Each of the five DOT operating agencies has a set of 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 - ANSWER-C. Procedures for performing a urine drug screen
collection
QUESTION: Which is a true statement about the Designated Employer 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
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C. Is responsible for identifying employee behavior that requires a reasonable suspicion test
D. Is authorized to receive drug test results from the MRO - ANSWER-D. Is authorized to receive
drug test results from the MRO
QUESTION: Which of the following entities is not considered to be a Service Agent?
A. Collector
B. MRO
C. DER
D. MRO Assistant
E. SAP
F. Laboratory
G. All the above are Service Agents - ANSWER-C. DER
QUESTION: What drug Classifications are included in the DOT panel? - ANSWER-Amphetamines,
Cocaine, Marijuana, Opioids, and PCP
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QUESTION: The initial test performed by the laboratory when analyzing a specimen for the
presence of drugs is also known as: - ANSWER-Screening Test
QUESTION: What is Gas Chromatography/Mass Spectrometry (GC/MC) or Liquid
Chromatography/Mass Spectrometry (LC/MS) - ANSWER-methodologies that the lab uses for
conducting confirmation test
QUESTION: True/False
Confirmation test cut-off levels are always higher than the screening test cut-off levels: -
ANSWER-False
QUESTION: True/False
The MRO must report the quantitative levels of the positive drug screen result to the DER: -
ANSWER-False
QUESTION: Which of the following is not a true statement about drug metabolites?
A. Some metabolites stay in a person's system longer than the parent drug
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B. Laboratories sometimes test for the presence of metabolites in addition to testing for the
parent drug
C. The presence of drug metabolites in a urine specimen suggests the possibility of adulteration.
D. Laboratories test for the presence of drug metabolites only for the screening test, not for
confirmation tests.
E. All the above are correct - ANSWER-C. The presence of drug metabolites in a urine specimen
suggests the possibility of adulteration.
Q; Which statement is correct about a canceled 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. - ANSWER-C. The
donor must be tested again if the test was a follow-up test.
QUESTION: Who may become an MRO? - ANSWER-Licensed physicians such as a Doctor of
Medicine or Doctor of Osteopathy
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Medical Review Officer (MRO) Exam ALL
QUESTIONS AND CORRECT ANSWERS
LATEST UPDATE THIS YEAR
QUESTION: Each of the five DOT operating agencies has a set of 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 - ANSWER-C. Procedures for performing a urine drug screen
collection
QUESTION: Which is a true statement about the Designated Employer 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
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, Page 2 of 33
C. Is responsible for identifying employee behavior that requires a reasonable suspicion test
D. Is authorized to receive drug test results from the MRO - ANSWER-D. Is authorized to receive
drug test results from the MRO
QUESTION: Which of the following entities is not considered to be a Service Agent?
A. Collector
B. MRO
C. DER
D. MRO Assistant
E. SAP
F. Laboratory
G. All the above are Service Agents - ANSWER-C. DER
QUESTION: What drug Classifications are included in the DOT panel? - ANSWER-Amphetamines,
Cocaine, Marijuana, Opioids, and PCP
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QUESTION: The initial test performed by the laboratory when analyzing a specimen for the
presence of drugs is also known as: - ANSWER-Screening Test
QUESTION: What is Gas Chromatography/Mass Spectrometry (GC/MC) or Liquid
Chromatography/Mass Spectrometry (LC/MS) - ANSWER-methodologies that the lab uses for
conducting confirmation test
QUESTION: True/False
Confirmation test cut-off levels are always higher than the screening test cut-off levels: -
ANSWER-False
QUESTION: True/False
The MRO must report the quantitative levels of the positive drug screen result to the DER: -
ANSWER-False
QUESTION: Which of the following is not a true statement about drug metabolites?
A. Some metabolites stay in a person's system longer than the parent drug
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B. Laboratories sometimes test for the presence of metabolites in addition to testing for the
parent drug
C. The presence of drug metabolites in a urine specimen suggests the possibility of adulteration.
D. Laboratories test for the presence of drug metabolites only for the screening test, not for
confirmation tests.
E. All the above are correct - ANSWER-C. The presence of drug metabolites in a urine specimen
suggests the possibility of adulteration.
Q; Which statement is correct about a canceled 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. - ANSWER-C. The
donor must be tested again if the test was a follow-up test.
QUESTION: Who may become an MRO? - ANSWER-Licensed physicians such as a Doctor of
Medicine or Doctor of Osteopathy
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