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Alcohol

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Jocelyn Boone

on 15 November 2016

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Transcript of Alcohol

Alcohol is any organic compound in which the functional hydroxyl group (OH) is bound to carbon.
Alcoholic beverages contain a type of alcohol called ethanol (CH3CH2OH).

The hydroxyl group
(OH)
is responsible for alcohol’s characteristic reactions.
Alcohol Concentration
The concentration of alcohol depends on the type of drink.
Because of the way that different alcoholic beverages are made, they have different final concentrations of ethanol.
Distilled spirits have the highest concentrations, while beer has the lowest. A person must drink 12 ounces of beer to get the same amount of alcohol as found in 1.5 ounces of spirits.
How Are Alcoholic Beverages Made?
Alcoholic beverages, like wine and beer, are made by fermenting fruits or grains to produce ethanol.
What Is Alcohol
DRUNK
A person with a BAC of more than 0.08 is considered drunk or intoxicated. However, studies show that deterioration of driving skills begins at 0.05 BAC.
The Legal Limit
A BAC of 0.05 means that the blood has a concentration of 0.05% ethanol. In most states,
a BAC of 0.08 is the legal limit.
BAC (Blood Alcohol Content)
BAC is the percentage of ethanol in a person's bloodstream.
Parts of the
Brain
Effected
Cerebral cortex- Senses

Limbic system-Emotions And Memory

Cerebellum-Muscle Movement

Medulla (brain stem)-Automatic Body Functions
What Does Alcohol Do To The Brain?
Alcohol affects many organs in the human body. The effects of alcohol on the brain are most relevant because alcohol depresses nervous activity.

Alcohol
Body Process
Alcohol and The Body
ALCOHOL
Organs
Alcohol affects other organs in the body, including the
lungs
heart
liver
stomach
kidneys
small intestines
At a BAC of 0.3–0.4, the liver cannot eliminate alcohol fast enough, alcohol becomes toxic, and the person loses consciousness. At a BAC level > 0.4, the person usually dies.
The Law
Field Sobriety Test
An officer administers a field sobriety test if he or she thinks a suspect may be intoxicated. This test comprises
three tests of motor skills.
3 Tests of Motor Skills
HORIZANTAL GAZE NYSTAGMUS
The officer assesses the ability to follow a moving object (finger, light) with eyes alone.
WALK AND TURN
The subject must take nine steps heel-to-toe in a straight line, turn on one leg, and return in the same manner to the start.
ONE-LEG STAND
The subject must stand with one leg raised 6 inches above the ground and count in thousands for 30 seconds. The officer looks for swaying, using arms to balance, or putting the foot down.
HOW IS BAC MEASURED?
The concentration of alcohol in exhaled air is directly related to BAC by a ratio of 2100 : 1. So, by measuring the concentration of alcohol in exhaled air, specialized equipment can measure BAC. This is the principle of breath alcohol meters.
* VOCAB

Intoxilyzer
a mechanism that uses infrared light to test for blood alcohol content
Alco-Sensor
a test for blood alcohol content that uses a small fuel cell

If an arrest is made for an alcohol-related crime based on breath alcohol tests, a sample of blood is usually drawn as soon as possible and tested for BAC.
Gas chromatography separates all the dissolved components in the blood including ethanol. The detector in the gas chromatograph senses each component and displays the components as peaks in a chromatogram. The area under the peak is related to the concentration of ethanol. The computer calculates the amount of ethanol and determines the BAC.
GAS CHROMATOGRAPHY
ALCOHOL CAN INDUCE CRIMINAL BEHAVIOR
Many
crimes
are committed by individuals under the influence of alcohol.
Ethanol in the blood affects the brain by impairing motor control, judgment, and inhibitions. This impairment can lead to criminal behaviors. Alcohol gets eliminated by the liver and lungs.
OVERALL
QUIZ TIME:
Click this link and answer a few questions. All Answers are highlighted somewhere in the power point.

https://docs.google.com/forms/d/1QT9O1diKdEWyOEz0640CNv9nDY2ChJlE4s12_BCL8t8/viewf
Video Clip: Alcohol and The Brain
Full transcript