MRO Cheat Sheet 2026

The 30 highest-yield MRO facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What is the PRIMARY purpose of continuing education requirements in Contract Closeout Procedures for MRO professionals? → Maintaining current knowledge and competency as the field evolves
2. Why is specimen validity testing performed? → To ensure specimen integrity
3. Under DOT regulations, how must the MRO conduct the verification interview with the donor? → By telephone or in person, on a confidential basis
4. Which standard of practice is MOST important for ensuring quality in Modifications & Change Orders? → Following evidence-based protocols while adapting to specific circumstances
5. Which document outlines ethical conduct for MROs? → MRO Code of Ethics
6. Which federal agency sets the guidelines for workplace drug testing? → SAMHSA
7. Which of the following is a key compliance requirement for laboratories? → Be federally certified and quality-controlled
8. Which standard of practice is MOST important for ensuring quality in Performance Monitoring & QA? → Following evidence-based protocols while adapting to specific circumstances
9. Which federal regulation outlines the procedures for drug testing in the workplace? → 49 CFR Part 40
10. Which specimen type is most commonly used in federally regulated drug testing? → Urine
11. In Small Business Programs, what is the FIRST step a MRO professional should take when encountering a new case or situation? → Conduct a comprehensive assessment and gather all relevant information
12. Which standard of practice is MOST important for ensuring quality in Small Business Programs? → Following evidence-based protocols while adapting to specific circumstances
13. What is the chain of custody in drug testing? → Documentation tracking specimen handling
14. What is the PRIMARY purpose of continuing education requirements in Modifications & Change Orders for MRO professionals? → Maintaining current knowledge and competency as the field evolves
15. What is the PRIMARY purpose of continuing education requirements in Cost & Pricing Analysis for MRO professionals? → Maintaining current knowledge and competency as the field evolves
16. What is the role of the MRO when reviewing a confirmed positive test result? → Determine if a valid medical reason exists
17. In Performance Monitoring & QA, what is the FIRST step a MRO professional should take when encountering a new case or situation? → Conduct a comprehensive assessment and gather all relevant information
18. Which standard of practice is MOST important for ensuring quality in Federal Acquisition Regulations? → Following evidence-based protocols while adapting to specific circumstances
19. In Source Selection & Evaluation, what is the FIRST step a MRO professional should take when encountering a new case or situation? → Conduct a comprehensive assessment and gather all relevant information
20. What is the primary purpose of the MRO's interview with a donor following a non-negative drug test result? → To determine whether a legitimate medical explanation accounts for the result
21. In Contract Closeout Procedures, what is the FIRST step a MRO professional should take when encountering a new case or situation? → Conduct a comprehensive assessment and gather all relevant information
22. What is the PRIMARY purpose of continuing education requirements in Federal Acquisition Regulations for MRO professionals? → Maintaining current knowledge and competency as the field evolves
23. What does a 'negative-dilute' result indicate? → Diluted sample with no drugs
24. In Federal Acquisition Regulations, what is the FIRST step a MRO professional should take when encountering a new case or situation? → Conduct a comprehensive assessment and gather all relevant information
25. What is the primary purpose of a Medical Review Officer (MRO) in drug testing? → Evaluate and verify drug test results
26. When a conflict arises between standard procedures and a unique situation in Contract Types & Administration, what should a MRO professional prioritize? → Safety and ethical obligations while seeking expert consultation
27. What ethical issue arises if an MRO shows bias in result interpretation? → Loss of impartiality and trust
28. What does a verified negative result mean? → No drugs detected and specimen was valid
29. When a conflict arises between standard procedures and a unique situation in Cost & Pricing Analysis, what should a MRO professional prioritize? → Safety and ethical obligations while seeking expert consultation
30. When a conflict arises between standard procedures and a unique situation in Small Business Programs, what should a MRO professional prioritize? → Safety and ethical obligations while seeking expert consultation