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New York Class D Permit Practice Test
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Safe & Responsible DrivingStandalone practice
Mark finished his fourth beer at 10 p.m. Since then he has had two cups of coffee and a cold shower. At 10:45 p.m. he says that he feels sober and is ready to drive. Which statement is correct?
Correct answer: He may still be impaired, because only time lowers BAC, at about one drink per hour
Why
Each standard drink (a 12-ounce beer, a 5-ounce glass of wine or a 1½-ounce shot of liquor) raises a 150-pound man's BAC by about 0.02 percent, and the body needs about an hour to remove it; women often need longer. Four beers can take four hours or more to clear, so Mark should not drive at 10:45 p.m. If you plan to drive at a set time, stop drinking several hours before, or arrange another ride home.
Verified against New York State Driver's Manual · Your BAC · p. 56, 55
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