Controlled substances include:

Prescription drugs.
Marijuana.
Alcoholic beverages.
All of the above.
Explanation

Controlled substances include both illegal drugs and prescribed medications that cannot be consumed before driving. They are regulated by the Controlled Substances Act in the United States.

Answer Statistics

🟠 This question is challenging39.7% of our users get this question wrong.

Other questions in the same category: Alcohol and Drug Effects on Driving
This question appears in the following DMV practice tests: