Car permit · Alcohol and drugs

After you have been drinking alcohol, what does a cup of coffee do to your blood alcohol concentration (BAC)?

Correct answer: It leaves your BAC unchanged.

Answer options

  1. AIt makes your BAC go up.
  2. BIt lowers your BAC faster.
  3. CIt leaves your BAC unchanged. Correct

Why

Coffee may help you fight off sleepiness, but it does nothing to the amount of alcohol in your blood. Only time brings your BAC down and lets you become sober again.

About this question

Topic: Alcohol and drugs   License: Car permit

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Where it applies: Asked in every state. Compare permit tests by state

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This question is part of How Alcohol Affects Your Driving (15 questions). Take the full set and check your score.

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