Driving Under the Influence — Nevada Driver's License Practice Test

This Nevada Driver's License Driving Under the Influence practice set has 40 practice questions based on the official exam materials, each with an instant explanation. You need 80% on the real Nevada Driver's License knowledge test to pass.

Sample questions

Three questions from the Driving Under the Influence bank with the correct answer and an explanation. The practice quiz above draws 30 questions at random from the same bank.

1. How does alcohol affect a driver?

   • It slows brain functions and delays hand-eye coordination — Correct answer
   • It improves reaction time and focus
   • It only affects vision, not coordination
   • It has no measurable effect at low doses

   Explanation: Alcohol slows brain functions, affects information processing, and delays hand-eye coordination, all of which make driving more dangerous.

   Handbook: Driving Under the Influence — Effects of Alcohol

2. According to a 2015 NHTSA study, by how much can driving over the legal limit of .08 increase the likelihood of a crash?

   • From 5 times up to 30 times — Correct answer
   • From 2 times up to 4 times
   • About 1.5 times
   • It does not increase crash risk

   Explanation: Combining alcohol with driving, especially over the legal limit of .08, can increase the likelihood of a crash from 5 times up to 30 times.

   Handbook: Driving Under the Influence — Crash Risk

3. In 2016, alcohol-related crashes were a factor in what percentage of Nevada's roadway fatalities?

   • Over 31% — Correct answer
   • About 5%
   • About 10%
   • Over 75%

   Explanation: In 2016, alcohol-related crashes were a factor in over 31% of Nevada's roadway fatalities.

   Handbook: Driving Under the Influence — Statistics