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What does Blood Alcohol Concentration (BAC) measure?

  1. Level of hydration

  2. Amount of food consumed

  3. Alcohol consumed per day

  4. Concentration of alcohol in the bloodstream

The correct answer is: Concentration of alcohol in the bloodstream

Blood Alcohol Concentration (BAC) measures the concentration of alcohol in the bloodstream. This is important in determining the level of impairment a person may be experiencing due to alcohol consumption. BAC is a percentage that represents the amount of alcohol in the blood, indicating how much alcohol has been absorbed into the body. Monitoring BAC levels is crucial for assessing intoxication levels and making responsible decisions regarding alcohol consumption and its effects.