CHP6Drugs&Pharm(1)

CHP6Drugs&Pharm(1) - Chapter 6 Click to edit Master...

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Click to edit Master subtitle style 4/10/11 Chapter 6 Drugs and Pharmacology Bell Text
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4/10/11 Introduction A drug can be defined as a natural or synthetic substance that is used to produce physiological or psychological effects in humans or other higher order animals. Narcotic drugs are analgesics, meaning they relieve pain by a depressing action on the central nervous system. This effects functions such as blood pressure, pulse rate, and breathing rate.
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4/10/11 History of Drug Regulation Comprehensive Drug Abuse and Prevention and Control Act of 1970 Also known as Controlled Substances Act (CSA) Developed a drug classification and control system Created five schedules based on each substance’s medicinal value, risk of harm, and potential for abuse
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4/10/11 Schedules of Classification Schedule I drugs have a high potential for abuse and have no currently accepted medical use such as heroin, marijuana, methaqualone and LSD. Schedule II drugs have a high potential for abuse and have medical use with severe restrictions such as cocaine, PCP, and most amphetamine and barbiturate prescriptions.
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4/10/11 Schedules of Classification Schedule IV drugs have a low potential for abuse and have a current medical use such as darvon, phenobarbital, and some tranquilizers such as diazepam (valium) and chlordiazepoxide (librium). Schedule V drugs must show low abuse potential and have medical use such as opiate drug mixtures that
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4/10/11 History of Drug Comprehensive Drug Abuse and Prevention and Control Act of 1970 Criminal penalties are the most severe for offenses involving Schedule I and II drugs A designer drug that is substantially similar in chemical structure to a controlled substance triggers the same penalties as if it were part of that schedule Many states have modeled their drug
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4/10/11 Drug Classifications Narcotics: slow down the nervous system, reduce pain and suppress coughs Codeine, Morphine, Heroin, Opium Hallucinogens: mixes up the nervous system, distorts messages within the brain LSD, PCP, THC Depressants: slow down the nervous system, provide a relaxed feeling Alcohol, Valium, Xanax Stimulants: speed up the nervous system, provide a feeling of euphoria Cocaine, Ritalin, Nicotine, Caffeine
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4/10/11 Opiates Morphine is readily extracted from opium and is used to synthesize heroin. Addicts frequently dissolve heroin in water by heating it in a spoon, and then inject in the skin. Heroin produces a “high” that is accompanied by drowsiness and a sense of well-being that generally last for three to four hours. Codeine is also present in opium, but it is usually prepared synthetically from
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4/10/11 Chemical Structures Heroin
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4/10/11 Heroin – A Safe Medication?!
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CHP6Drugs&Pharm(1) - Chapter 6 Click to edit Master...

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