Why Does a Breathalyzer Accurately Measure Alcohol Concentration in Blood

question 101

Multiple Choice

Why does a breathalyzer accurately measure alcohol concentration in blood?

• A) Due to zero-order kinetics, but only for light or moderate alcohol use.
• B) Exactly 5% of alcohol is eliminated from the lungs and the ratio to blood is known.
• C) The exact concentration of alcohol needed to saturate alcohol dehydronase enzymes is known.
• D) Alcohol users typically smoke tobacco while drinking, and the nicotine elimination rate is known.

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