Week 5 Alcohol and Marijuana

Week 5 Alcohol and Marijuana - This week(Week Five...

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This week (Week Five):
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Objectives (Part I) Understand the production of and approximate alcohol content of the major beverage types. Relate the history and effectiveness of temperance and prohibition movements in U.S. Know recent alcohol consumption trends. Describe how alcohol is processed by the body.
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Objectives (cont.) Understand how consumption rate and body size influence BAC and know the legal BAC. Discuss the likely role of GABA in alcohol’s mechanism of action. Describe acute alcohol poisoning and alcohol withdrawal symptoms. Describe the impact of alcohol on traffic fatalities. Discuss the role of alcohol on sexual behavior and violence.
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(cont.) Discuss alcohol exposure vs. malnutrition and the effects of chronic alcohol exposure on the brain and liver. Understand the role of AA in promoting the disease model of dependence. Discuss genetic influences on the risk of developing alcohol dependence.
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Alcohol Alcohol is a CNS Depressant Causes a decrease in motor function, reaction time and intellectual performance High doses can significantly slow down respiratory function and can cause coma, respiratory arrest and death.
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Absorption Alcohol enters the body through the mouth and is absorbed through the stomach and small intestine About 20% is absorbed through the stomach About 80% is absorbed through the small intestine Alcohol is then carried by small blood vessels to the blood stream and circulated through the body.
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Factors in Absorption Food (protein) in the stomach will bind with the alcohol and hold it there longer, slowing absorption Water in the stomach will dilute the alcohol and slow absorption as well Carbonated beverages will speed absorption
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Metabolism About 90% of alcohol is metabolized in the liver. About 2% is excreted unchanged through the breath, skin and urine. Alcohol has a HIGH affinity for water (i.e. it really likes it…), so people with higher fat content in their bodies are more affected by alcohol since more of it stays in the blood.
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Estimating Blood Alcohol Content We measure BAC in “parts per thousand” A BAC of .10 means one part alcohol for every 1000 parts blood BAC depends somewhat on weight, body type, and gender as well as the health of your liver Remember, food and water as well as carbonation and rate of ingestion all play a part!
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Week 5 Alcohol and Marijuana - This week(Week Five...

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