What does BAC stand for?

BAC stands for Blood Alcohol Concentration, which is a measurement used to determine the percentage of alcohol in a person's bloodstream. This value is crucial for understanding impairments related to alcohol consumption and is often used in legal contexts, particularly when assessing whether someone is driving under the influence.

The significance of BAC lies in its ability to quantify impairment for both legal enforcement and personal safety decisions. For instance, a higher BAC level correlates with increased impairment, influencing how laws regulate driving limits. Understanding BAC is critical for drivers and individuals working with traffic safety regulations, as it guides informed decisions regarding alcohol consumption and driving.

The other options, while they may contain terms that relate to various topics, are not relevant in the context of alcohol measurement or legal implications of drinking and driving.