Many people wonder how
an alcohol tester can work by simply testing your breath. How can that possibly
be linked with the amount of alcohol in your bloodstream? Especially if you’ve
had plenty water to drink and something to eat in the meantime. However,
alcohol testing with breath analysis is highly accurate – here’s how it works.
You drink alcohol
The amount of alcohol
you drink is constant, but individual variables will affect the speed at which it
is absorbed into your body.
Absorption occurs
Alcohol is quite a
small molecule and it doesn’t change as it is absorbed into your bloodstream,
unlike the larger proteins and carbs in the food we eat.
Alcohol circulates
The alcohol moves
around your body, affecting the way signals are sent around your brain –
causing the effects of alcohol as we know them.
It reaches the lungs
When the alcohol
circulating in your blood reaches the lungs, it will readily diffuse out of the
blood, just as carbon dioxide does. Therefore, if you have alcohol in your
blood you will also exhale alcohol, which can be detected by alcohol testing.
Problems with Alcohol Testing
Some problems can occur
with alcohol testing because of two assumptions:
·
Alcohol
detected on the breath may not have come from the bloodstream
·
The
conversion of amount of alcohol measured to percentage of blood alcohol can
vary among individuals.
Still, alcohol testing
with the current breathalyzer and tools gives us readings that are generally
accurate to ± 10%. This is accurate enough for the police to require blood
alcohol testing, if you blow above a certain amount.
Supply Doctor is an online medical supply store that can provide you with the medical equipment you need at an affordable price. Looking for an alcohol tester to take with you on the go? Browse through the website and you'll find exactly what you need!
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