Home › CDL Practice Tests › General Knowledge Questions › Question 186
What role does the medical review officer (MRO) play after a laboratory reports a positive drug result?
- A.The MRO can erase any result on request
- B.The MRO drives the route while the driver waits
- C.The MRO contacts the driver to check for a legitimate medical explanation, such as a valid prescription, before verifying the result
- D.The MRO decides the driver's pay rate
Correct answer
C. The MRO contacts the driver to check for a legitimate medical explanation, such as a valid prescription, before verifying the result
Why
The MRO step protects drivers who test positive because of lawful medication taken as prescribed. If no legitimate explanation is verified, the result stands as a violation and is reported as the rules require.
Manual topic: Alcohol and Drugs - MRO Review · From the General Knowledge practice bank (GK-186).