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Alcohol/Drug Use and Abuse CH. 5 - Flashcards

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Class:HED 113 - Alcohol/Drug Use & Abuse
Subject:Health Education
University:Genesee Community College
Term:Fall 2012
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Most of our drugs originally came either directly or indirectly from Plants.
Most drugs have three different kinds of names. Which of them belongs to a specific manufacturer? Brand name.
The group of psychoactive drugs called stimulants includes Cocaine.
Among the psychoactive drugs, alcohol is classified as a(n) Depressant. 
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Which drug is given its own classification category, due to its complex effects at different doses? Marijuana.
Nonspecific effects of taking a drug are those that do not depend on its chemical activity. They are also referred to as Placebo effects.
When neither the person taking the drug nor the person evaluating the effects of the drug knows which people are getting the experimental drug and which people people are getting the placebo, this procedure is known as a(n) Double-blind study.
The threshold on a dose-response curve is the Lowest dose at which there is an observable effect of the drug.
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The text uses an example of overlapping dose-response curves for slowed reaction time, ataxia (staggering), and coma to illustrate That new responses appear as the dose of alcohol is increased.
The idea of a safety margin for a particular drug is based on the idea that Toxic doses will typically be larger than therapeutic doses.
With increasing doses of any useful drug, there is usually an increase in the number and severity of Side effects.
The potency of a drug is defined only in terms of The amount required to produce an effect.
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Psychoactive drugs reach the brain by way of the Bloodstream.
After oral administration, most absorption of the drug molecules takes place in the Small intestine.
If you want to get very high concentrations of a drug to the brain very rapidly, which route of administration would you probably use? Intravenous.
For some psychoactive drugs, the fastest way to get the drug to the brain is by Inhalation. 
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Alcohol has a very low tendency, but THC has a very high tendency, to Bind blood proteins.
The blood-brain barrier Prevents many drugs from entering the brain. 
Concussions and cerebral infections can decrease the effectiveness of The blood-brain barrier.
Some drugs may act on all types of neurons by Altering the electrical potential across the cell membrane.  
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The most common way for drug molecules to be deactivated is by CYP450 enzymes in the liver.
If repeated exposure to a drug increases the activity of the CYP450 enzyme that is responsible for metabolizing that drug, then later doses will be less effective than the first few doses. This is an example of Drug disposition tolerance. 
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 Most of our drugs originally came either directly or indirectly fromPlants.
 Most drugs have three different kinds of names. Which of them belongs to a specific manufacturer?Brand name.
 The group of psychoactive drugs called stimulants includesCocaine.
 Among the psychoactive drugs, alcohol is classified as a(n)Depressant. 
 Which drug is given its own classification category, due to its complex effects at different doses?Marijuana.
 Nonspecific effects of taking a drug are those that do not depend on its chemical activity. They are also referred to asPlacebo effects.
 When neither the person taking the drug nor the person evaluating the effects of the drug knows which people are getting the experimental drug and which people people are getting the placebo, this procedure is known as a(n)Double-blind study.
 The threshold on a dose-response curve is theLowest dose at which there is an observable effect of the drug.
 The text uses an example of overlapping dose-response curves for slowed reaction time, ataxia (staggering), and coma to illustrateThat new responses appear as the dose of alcohol is increased.
 The idea of a safety margin for a particular drug is based on the idea thatToxic doses will typically be larger than therapeutic doses.
 With increasing doses of any useful drug, there is usually an increase in the number and severity ofSide effects.
 The potency of a drug is defined only in terms ofThe amount required to produce an effect.
 Psychoactive drugs reach the brain by way of theBloodstream.
 After oral administration, most absorption of the drug molecules takes place in theSmall intestine.
 If you want to get very high concentrations of a drug to the brain very rapidly, which route of administration would you probably use?Intravenous.
 For some psychoactive drugs, the fastest way to get the drug to the brain is byInhalation. 
 Alcohol has a very low tendency, but THC has a very high tendency, toBind blood proteins.
 The blood-brain barrierPrevents many drugs from entering the brain. 
 Concussions and cerebral infections can decrease the effectiveness ofThe blood-brain barrier.
 Some drugs may act on all types of neurons byAltering the electrical potential across the cell membrane.  
 The most common way for drug molecules to be deactivated is byCYP450 enzymes in the liver.
 If repeated exposure to a drug increases the activity of the CYP450 enzyme that is responsible for metabolizing that drug, then later doses will be less effective than the first few doses. This is an example ofDrug disposition tolerance. 
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