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Maryland Class C Knowledge Test Practice
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Safe & Responsible DrivingStandalone practice
For an ordinary adult noncommercial driver, at what blood alcohol concentration does Maryland’s alcohol-per-se threshold begin?
Correct answer: 0.08 percent.
Why
The blood alcohol-per-se threshold is 0.08 grams of alcohol per 100 milliliters of blood, commonly expressed as 0.08 percent BAC. The statute also defines a breath measure. Alcohol impairment can support a separate offense below the per-se threshold, and under-21 alcohol restrictions are different.
Verified against Maryland Driver's Manual · Alcohol and drugs · p. 33
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