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11. Driving Under the Influence

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5. BAC and the Brain

Understanding Blood Alcohol Concentration (BAC) and its Impact on the Brain

Alcohol's effects on the brain are profound, as it traverses through three key regions:

  1. Forebrain: Responsible for judgment and reasoning, the forebrain is where the "high" associated with alcohol occurs. When exposed to alcohol, caution, common sense, reasoning, and inhibitions are all diminished in this area.
  2. Midbrain: This region governs muscular control, affecting coordinated movement. Alcohol's influence here can lead to impaired motor skills and coordination.
  3. Hindbrain: Controlling involuntary bodily functions like breathing and heart rate, the hindbrain can also be affected by alcohol consumption.

Understanding how alcohol impacts these crucial areas of the brain sheds light on its cognitive and physical effects, emphasizing the importance of responsible consumption and the avoidance of activities like driving while under its influence.


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Lesson Summary


  

Lesson 11 Quiz


You will now answer 5 questions to test what you learned during this lesson. You must answer all questions correctly to receive completion credit for this lesson. You may answer the questions as many times as necessary to get them right.

You should review the lesson material if you don't do well on the quiz.

  1. If you are under 21, the zero tolerance policy for drinking and driving will revoke your license even if your BAC is as low as what percent?


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  2. Designated Drivers:


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  3. After completing all 11 lessons and then passing the final test, your certificate of completion of driver education will be:


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  4. BAC stands for:


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  5. Alcohol is a:


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