British Columbia Serving It Right Practice Test

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How can law enforcement agencies determine a person's BAC?

Breathalyzer only
Blood tests only
Observations of a police officer only
Breathalyzer and police observations

The correct answer is: Breathalyzer and police observations

Law enforcement agencies can determine a person's Blood Alcohol Concentration (BAC) using a combination of methods, primarily through the use of breathalyzer tests and the observations of a police officer. Breathalyzers provide a quick and non-invasive way to measure the alcohol content in exhaled breath, which correlates to the BAC level in the bloodstream. This method is widely utilized at roadside stops and checkpoints due to its efficiency and immediate results. In addition to the breathalyzer results, police officers are trained to observe behavioral indicators of intoxication, such as impaired coordination, slurred speech, and erratic behavior. These observations can support the findings from breath tests and help law enforcement make more informed decisions regarding a person's level of intoxication. By combining these two approaches, law enforcement agencies can arrive at a more accurate assessment of an individual's BAC. This integration of technology and observation allows for a comprehensive evaluation, ultimately contributing to safer roadways and effective enforcement of driving under the influence laws.