No, a breath test can not be beat. The breath tests measures the alcohol content in a persons body.
A breath alcohol test measures the amount of alcohol in your body by measuring the amount of alcohol in the air that you exhale. The test can be administered by a a device that is electronic or manual.
Yes, ethanol can affect a breath test by causing a higher reading due to its presence in the breath. Breath tests are designed to measure the amount of alcohol in the breath, which correlates to blood alcohol concentration. Ethanol in the breath can lead to a false positive result on a breath test.
"Yes alcohol breath testers work. You breath into a breath tester and it reads the alcohol content of your breath. Cops can pull over people and test them to see if they are drunk, and can arrest you if you are."
Yes. There are many sources of error in alcohol breath testing machines.
Blood is always more accurate as it is a direct test - breath is indirect.
Yes
The odor of an alcoholic beverage on the breath will dissipate with time. It's also possible to cover the odor with breath mints, mouthwash, etc. However, doing so will not prevent the detection of the alcohol in an alcohol breath test.
Only a blood test can measure BAC. A breath tester can only ESTIMATE the BAC.
yes
Breath alcohol level refers to the amount of alcohol vapor in the breath. Alcohol is excreted into the lungs from the blood in a fixed proportion to the amount in the blood. Therefore, measuring breath alcohol gives an indirect, but accurate, measurement of the amount of alcohol in the blood, and the degree of impairment to brain function.
Absorption through the skin is extremely limited, although it could add to the blood alcohol content. It would still be detected by the Breathalyzer because it measures alcohol leaving the bloodstream in the lungs.