1
Which of the following is not a common effect of marijuana use on a driver?
- A.Reduced ability to focus
- B.Faster reaction time✓
- C.Impaired night vision
- D.Impaired sense of time, speed, and distance
Why: Marijuana is a substance that impairs the central nervous system, leading to slower physical and mental responses. It never improves reaction time; instead, it makes it much harder to respond quickly to road hazards.