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Bac stands for quizlet8/7/2023 ![]() ![]() ![]() Measures of mass (never volume) of alcohol per volume of blood or per mass of blood are used. There are several different units in use around the world for defining blood alcohol concentration. This typically happens when men consume five or more drinks, and when women consume four or more drinks, in about two hours. The National Institute on Alcohol Abuse and Alcoholism (NIAAA) define the term " binge drinking" as a pattern of drinking that brings a person's blood alcohol concentration (BAC) to 0.08 grams percent or above. Subtract approximately 0.01 every 40 minutes after drinking. The examples above define a standard drink as 0.6 fluid ounces (14 g or 17.7 mL) of ethanol, whereas other definitions exist, for example 10 grams of ethanol.Īpproximate blood alcohol percentage (by volume) īased on one drink having 0.5 US fl oz (15 mL) alcohol by volume Drinks Each contains about 14 grams or 17.7 mL of ethanol. United States standard drinks of beer, malt liquor, wine, and spirits compared. Estimation by intake īlood alcohol content can be estimated by a method developed by Swedish professor Erik Widmark in the 1920s: E B A C = A r × W t × 100 % − β × T By standard drinks A BAC of 0.4% or higher is potentially fatal and can result in a coma or respiratory failure. At a BAC greater than 0.3%, people may experience total loss of consciousness and show signs of severe alcohol intoxication. Beginning at a BAC greater than 0.2%, people may experience urinary incontinence, vomiting, and symptoms of alcohol intoxication. At moderate levels of impairment (BAC 0.06–0.20%), effects can include emotional swings, impaired vision, hearing, speech, and motor skills. At low levels of impairment (BAC 0.01–0.05%), people may experience mild relaxation and reduced social inhibition, along with impaired judgment and coordination. ![]() Further information: Short-term effects of alcohol consumptionĪs BAC increases, the short-term effects of alcohol become more perceptible. ![]()
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