What is the primary chemical test used to measure your alcohol level?

The primary chemical test used to measure your alcohol level is the blood alcohol content (BAC) test. This measure indicates the percentage of alcohol in a person's bloodstream at a specific time. Law enforcement officers often use this test in situations involving suspected impaired driving because it provides a direct and accurate assessment of an individual's level of intoxication.

Using a BAC analysis allows for a clear legal standard to determine whether someone is legally impaired while operating a vehicle. For instance, a BAC of 0.08% or higher is typically considered legally impaired in many states, making this test an essential tool for ensuring road safety.

The other options listed do not serve the same primary function as measuring blood alcohol levels. A Breathalyzer test does indeed measure alcohol through breath analysis and is widely used at traffic stops, but it is more of a preliminary field test rather than the primary method for determining exact BAC level. The pulsation test is not a recognized method for measuring alcohol levels, and urine drug tests are primarily used to detect the presence of drugs, not alcohol levels specifically.