What is the basis of a breathalyzer test?
A) Five percent of alcohol is eliminated in the lungs.
B) Ten percent of alcohol remains in the stomach for a prolonged period.
C) Seven percent of alcohol is perspired through the pores.
D) Three percent of alcohol tightly binds to mucous membranes in the mouth.

Question

Quizplus · Accepted Answer

Breathalyzer tests work because a portion of the alcohol a person drinks is expelled through the lungs. Specifically, about 5% of consumed alcohol is eliminated unchanged in breath, which allows breathalyzers to estimate blood alcohol content (BAC) from a breath sample.

What Is the Basis of a Breathalyzer Test