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Chapter 16/18

Chapter 16/18. Drugs/Alcohol. Formula to Follow. No more 3drinks/occasion No more than 2/wk Drink on full stomach Metabolize 1 drink/hour. Bodies Defense. Taste bad Throw up Pass out. Drug Use. Quick fix Headache, stomach ache, fatigue, mood Need to change lifestyle. Drugs Defined.

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Chapter 16/18

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  1. Chapter 16/18 Drugs/Alcohol

  2. Formula to Follow • No more 3drinks/occasion • No more than 2/wk • Drink on full stomach • Metabolize 1 drink/hour

  3. Bodies Defense • Taste bad • Throw up • Pass out

  4. Drug Use • Quick fix • Headache, stomach ache, fatigue, mood • Need to change lifestyle

  5. Drugs Defined • Substance alters biological process • Increase, decrease, start, or stop body process • Classified-biological effect • Diuretic, analgesic, stimulant

  6. How They Work • Drugs hook to cell protein receptors • Resemble natural chemical • Prevent or increase release neurotransmitters

  7. Side Effects • Unintended action • Drug binds to several cells

  8. Contraindication • Medical reason not to take a drug • Pregnant, age, taking another drug

  9. Route Administration • Ingest • Inhale • Inject • absorb

  10. Metabolism • Liver- destroys • Kidney/lungs-eliminate

  11. Effectiveness • Therapeutic Index- how safe • Effective dose(ED50)- effective in 50% • Lethal dose(LD50)- lethal dose in 50% • LD50/ED50 • Want large difference

  12. Legal Use • Prescription= $100 billion/yr • Non-prescription=$12 billion/yr • Most sold=psychoactive drugs • Sleeping, mood altering

  13. Printed Advertisement • Heavy regulated • Effectiveness, side effects, precaution, contraindications • TV and Internet • Little regulated

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