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  • Chapter Seven: Making Decisions About Drug Use This chapter will cover what drugs are, how they are used, and the classification of psychoactive drugs, treatment, and effects when combined together.
  • Images Chap07hahn8e

    1. 1. Chapter Seven Making Decisions About Drug Use
    2. 2. Effects of Drugs on the CNS <ul><li>Neuron – brain cell </li></ul><ul><li>Dendrite – portion of neuron that receives electrical stimuli </li></ul><ul><li>Axon – portion of neuron that conducts electrical impulse from dendrite </li></ul><ul><li>Synapse – location of reception site between axon of neuron and dendrite from another </li></ul>
    3. 3. The Process of Addiction <ul><ul><li>Exposure: introduced to the drug that is considered pleasurable </li></ul></ul><ul><ul><li>Compulsion: time, energy, and money are spent to pursue the behavior. Normal behavior has already degenerated </li></ul></ul><ul><ul><li>Loss of Control: addicted people lose the ability to control their behavior; results in addiction to more than one drug or behavior </li></ul></ul>
    4. 4. Drug Terminology <ul><li>Drug: substance other than food that will alter function </li></ul><ul><li>Psychoactive drug: a drug that alters moods or feelings </li></ul><ul><li>Dependence : the need to continue to use a drug for psychological or physical reasons </li></ul>
    5. 5. Drug Terminology (cont’d) <ul><li>Tolerance: acquired result of diminished effects from prolonged use </li></ul><ul><li>Withdrawal: response of body to regain normality without drug in the system </li></ul><ul><li>Drug misuse: unintentional inappropriate use of drugs </li></ul><ul><li>Drug abuse: intentional inappropriate use of drugs </li></ul>
    6. 6. 4 Methods of Drug Administration <ul><li>Ingestion </li></ul><ul><li>Injection </li></ul><ul><li>Inhalation </li></ul><ul><li>Absorption </li></ul>
    7. 7. Drug Classifications <ul><li>Stimulants </li></ul><ul><li>Depressants </li></ul><ul><li>Hallucinogens </li></ul><ul><li>Narcotics </li></ul><ul><li>Cannabis </li></ul><ul><li>Inhalants </li></ul>
    8. 8. Stimulants <ul><li>Function: elevate CNS </li></ul><ul><li>Examples: caffeine, amphetamines, cocaine,crack, ephedra, ritalin, adderall </li></ul>
    9. 10. Depressants <ul><li>Function: slows down the CNS </li></ul><ul><li>Examples: barbiturates, tranquilizers, alcohol </li></ul>
    10. 11. Hallucinogens <ul><li>Function: distort reality, produce hallucinations </li></ul><ul><li>Examples: LSD, PCP </li></ul>
    11. 12. Cannabis <ul><li>Function: produces a variety of effects </li></ul><ul><li>Examples: marijuana, hashish, active ingredient tetra hydro cannabinol (THC) </li></ul>Chronic abuse may lead to an amotivational syndrome
    12. 13. Narcotics <ul><li>Function: relieve pain </li></ul><ul><li>Examples: opium, heroin, morphine, demerol, oxycontin </li></ul>
    13. 14. Inhalants <ul><li>Function: unpredictable, drunk-like effects </li></ul><ul><li>Examples: household products and solvents </li></ul>
    14. 15. Combination Drug Effects <ul><li>Synergistic: exaggerates each drug effects </li></ul><ul><li>Additive: totals just the sum of each drug </li></ul><ul><li>Potentiated: intensifies second drug </li></ul><ul><li>Antagonistic: reduces effect of another drug </li></ul>
    15. 16. Society’s Response to Drug Use <ul><li>Development of anti-drug organizations </li></ul><ul><li>Famous personalities are used discourage use of drugs </li></ul><ul><li>Starting drug education earlier in grade school (pre-school levels) </li></ul><ul><li>Decrease of gateway drug exposure </li></ul>
    16. 17. Drug Treatment <ul><li>Treatment programs via direct confrontation </li></ul><ul><li>Trained drug counselors </li></ul><ul><li>Private clinics or hospital setting </li></ul>
    17. 18. Chapter Seven Making Decisions About Drug Use

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