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The alcohol concentration in the breath is related to that
in the blood, and because of this, an individual’s BAC
can be determined by measuring alcohol in the breath.
The ratio of breath alcohol to blood alcohol is generally
estimated to be 2,100:1. Therefore, 2,100 milliliters
(ml) of alveolar air will contain approximately the same
amount of alcohol as 1 ml of blood.
Alcohol is a Drug
Alcohol is the chemical (ethanol or ethyl alcohol)
resulting from the fermentation of grapes or grain.
Alcohol is absorbed directly into your bloodstream.
From your bloodstream, the fluids in your body tissues
absorb the alcohol. Your brain is made up of a large
concentration of fluids and will absorb a large amount
of any alcohol you drink. Your liver eliminates the
absorbed alcohol at its own rate of time and nothing
you eat or drink can speed up the process. Your liver
does this by oxidizing the alcohol (converting it into
water and carbon dioxide). Coffee, food or any other
“cure” will not sober you up. Only time will do that.
How does alcohol affect my body?
Alcohol is a depressant. It has a relaxing effect on the
muscles in your body. The muscles of your eyes relax and
lose focus. Your eyesight will become fuzzy and you may
experience double vision. Brain activity is slowed. Your
judgment, reflexes, and coordination are all negatively
affected.
Some vision impairments that occur when you have
been drinking include:
• Narrowing of your eld of vision
• Reduction in your depth perception
• Decreased ability to see in darkness
• Increased sensitivity to glare and a longer time
for your eyes to readjust from the glare
Some mental (brain) impairment can occur when you
have been drinking, including:
• Reduced awareness of danger
• Becoming overly condent and reckless
• Difculty in making decisions
• Reduction in balance
• Slowed reexes
• Impaired judgment
How does alcohol affect my driving?
We can’t emphasize enough how dangerous it is for you to
drink and drive. Your vision and your brain are the most
important factors in driving safely. If you jeopardize either
by drinking, and then you drive, you are likely to be
involved in a serious or fatal collision.
From California Department of Motor Vehicles
(http://www.dmv.ca.gov)
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