MRO Practice Exam| Complete Exam
Questions and CORRECT Answers|
(2025 update) Assured success| grade
A+
2. Which of the following drug tests is not required for federal employees
under the federal Drug-Free Workplace Program?
A.Preplacement
B.Post-accident
C.Return to duty
D.Unreasonable suspicion
E.Random - 🧠 ANSWER ✔✔D
,SAMHSA's Drug Free Workplace Program specifies "Reasonable
Suspicion" as one of the types of drug testing. This is found on the federal
Custody and Control Form. The incorrect answer was unreasonable
suspicion.
3. Which of the following is the "weakest link" in drug testing, i.e., generally
produces the most frequent errors?
A.Specimen collection
B.Laboratory testing
C.MRO review - 🧠 ANSWER ✔✔A
Among drug testing personnel, there are far more specimen collectors than
laboratory staff or MROs. Collectors receive the least amount of training,
are paid the lowest wages, and have the highest job turnover.
Quality reviews show that a substantially larger number of errors occur in
collection and properly completing the Custody and Control Form.
4. MROs must pass a nationally recognized certifying examination for
which of the following activities?
A.All MRO work
B.All federally regulated MRO work
,C.All DHHS and DOT MRO work
D.All states with provisions allowing medical marijuana - 🧠 ANSWER ✔✔C
A. All MRO work - Incorrect: includes non-federally regulated drug testing,
in which only a handful of states require MRO certification
B. All federally-regulated MRO work - Incorrect: includes DOD, NRC and
other agencies, which do not require MRO certification
C. All DHHS and DOT MRO work - Correct Answer: Both SAMHSA and
DOT clearly specify this requirement for MROs.
D. All states with provisions allowing medical marijuana - Incorrect: state
Marijuana laws make no reference to MROs, and only allow medical
authorization or recommendation permitting marijuana use. Health care
professions do not "prescribe" marijuana.
5. Which of the following roles is primary for the MRO?
A.Lab checker
B.SAP advisor
C.Gatekeeper
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, D.Mediator
E.Substance Abuse Identifier - 🧠 ANSWER ✔✔c
Although each of these monikers identify occasional, peripheral roles of the
MRO, the DOT has clearly earmarked the role of the MRO as a
gatekeeper.
6. After completing review of drug test results, interviewing the donor and
documenting findings, an MRO must do which of the following?
A.Confirm laboratory results
B.Reconfirm laboratory results
C.Verify drug test results
D.Report findings to laboratory and employer - 🧠 ANSWER ✔✔C
The determination of an MRO is called a "verification" decision.
Laboratories confirm lab results though performing a second test using a
different analytical method and performing internal quality control
measures. A laboratory to which a split specimen is send reconfirms or fails
to reconfirm the original laboratory's findings. MROs report findings to
employers, but do not routinely report to laboratories.
7. The MRO safety duties include all but which of the following activities?
Questions and CORRECT Answers|
(2025 update) Assured success| grade
A+
2. Which of the following drug tests is not required for federal employees
under the federal Drug-Free Workplace Program?
A.Preplacement
B.Post-accident
C.Return to duty
D.Unreasonable suspicion
E.Random - 🧠 ANSWER ✔✔D
,SAMHSA's Drug Free Workplace Program specifies "Reasonable
Suspicion" as one of the types of drug testing. This is found on the federal
Custody and Control Form. The incorrect answer was unreasonable
suspicion.
3. Which of the following is the "weakest link" in drug testing, i.e., generally
produces the most frequent errors?
A.Specimen collection
B.Laboratory testing
C.MRO review - 🧠 ANSWER ✔✔A
Among drug testing personnel, there are far more specimen collectors than
laboratory staff or MROs. Collectors receive the least amount of training,
are paid the lowest wages, and have the highest job turnover.
Quality reviews show that a substantially larger number of errors occur in
collection and properly completing the Custody and Control Form.
4. MROs must pass a nationally recognized certifying examination for
which of the following activities?
A.All MRO work
B.All federally regulated MRO work
,C.All DHHS and DOT MRO work
D.All states with provisions allowing medical marijuana - 🧠 ANSWER ✔✔C
A. All MRO work - Incorrect: includes non-federally regulated drug testing,
in which only a handful of states require MRO certification
B. All federally-regulated MRO work - Incorrect: includes DOD, NRC and
other agencies, which do not require MRO certification
C. All DHHS and DOT MRO work - Correct Answer: Both SAMHSA and
DOT clearly specify this requirement for MROs.
D. All states with provisions allowing medical marijuana - Incorrect: state
Marijuana laws make no reference to MROs, and only allow medical
authorization or recommendation permitting marijuana use. Health care
professions do not "prescribe" marijuana.
5. Which of the following roles is primary for the MRO?
A.Lab checker
B.SAP advisor
C.Gatekeeper
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, D.Mediator
E.Substance Abuse Identifier - 🧠 ANSWER ✔✔c
Although each of these monikers identify occasional, peripheral roles of the
MRO, the DOT has clearly earmarked the role of the MRO as a
gatekeeper.
6. After completing review of drug test results, interviewing the donor and
documenting findings, an MRO must do which of the following?
A.Confirm laboratory results
B.Reconfirm laboratory results
C.Verify drug test results
D.Report findings to laboratory and employer - 🧠 ANSWER ✔✔C
The determination of an MRO is called a "verification" decision.
Laboratories confirm lab results though performing a second test using a
different analytical method and performing internal quality control
measures. A laboratory to which a split specimen is send reconfirms or fails
to reconfirm the original laboratory's findings. MROs report findings to
employers, but do not routinely report to laboratories.
7. The MRO safety duties include all but which of the following activities?
