MROCC Exam Items (continued)

SAMPLE MRO TEST ITEMS (continued)

* denotes correct response

Regulations & MRO Responsibilities

A driver's DOT drug test is positive. To ensure the right to have the split specimen analyzed, the donor must request

the additional analysis within:

a. 48 hours.

*b. 72 hours.

c. 5 days.

d. 7 days.

e. There is no time limit.

A split sample has reconfirmed the primary test result. The employee requests reanalysis of the primary specimen.

Under DOT regulations, you should:

a. direct a reanalysis if requested within 72 hours of the result being reported to the donor.

*b. deny the request for reanalysis.

c. order a test of the split sample only.

d. request a quantitative analysis of the split sample.

Laboratory, Toxicology & Pharmacology

Which one of the following statements is true?

* a. l-methamphetamine is metabolized to l-amphetamine.

b. d-amphetamine is metabolized to d-methamphetamine.

c. GC/MS methods cannot differentiate between d- and l- forms of methamphetamine.

d. The presence of l-methamphetamine rules out the illicit use of methamphetamine.

e. The presence of d-methamphetamine rules out the illicit use of methamphetamine.

Which of the following is a metabolite of morphine?

*a. Normorphine

b. Diacetylmorphine

c. Monoacetylmorphine

d. Hydrocodone

e.Hydromorphone

Each of the questions or incomplete statements below is followed by four or five suggested answers or completions.

Select ALL CORRECT RESPONSES by completely filling in the circles containing the corresponding letters on the score

sheet. One, more than one or all response options may be correct.

Clinical Aspects

Which of the following is/are true of alcohol testing?

* a. Industrial exposure to certain solvents may cause some interference with the determination of alcohol ingestion.

b. Ingested food will generally hasten the absorption of alcohol.

*c. Assuming no post-accident consumption, a driver's blood alcohol concentration 45 minutes

after an accident may overestimate his or her level at the time of the accident.

*d. Assuming no post-accident consumption, a driver's blood alcohol concentration 45 minutes

after an accident may underestimate his or her level at the time of the accident.

Collections and Procedures

Which of the following events REQUIRE(S) an observed collection under DOT regulations?

a. Donor admits to illicit drug use.

b. Donor presents with clinical signs consistent with opiate abuse.

c. Donor states that he or she is unable to provide urine.

d. State law permits routine observed collections, and the employer's policy requires this action.

*e. Specimen temperature is 89.5 degrees Fahrenheit.

Regulations & MRO Responsibilities

Under DOT regulations, which of the following is (are) true?

*a. If the primary specimen is negative, the lab may dispose of the split sample.

*b. If the primary specimen is confirmed positive, the split specimen must be preserved for at least one year.

c. If a split test is requested, the MRO must obtain and ship the split sample to another DHHS Certified lab.

*d. If the drug(s) is(are) not detected in the split sample, and validity testing is negative, then the test is canceled.

back to previous sample test items . . .