Forensic Final

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Author:
haitianwifey
ID:
186815
Filename:
Forensic Final
Updated:
2012-12-05 11:09:12
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Forensic Final
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Forensic Final
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  1. What are the four common classifications of drugs of abuse
    • Narcotics
    • Depressants
    • Stimulants
    • Hallucinogens
  2. What kind of drugs are narcotics
    Analgesics
  3. What does analgesic mean
    They relieve pain by depressing the CNS
  4. The regular use of a narcotic drug will lead to physical dependence

    True or False
    True
  5. What is the most common source of narcotic drugs
    Opium
  6. Define dependence
    • The maladaptive pattern of substance use leading to clinically significant impairment or distress as manifested by three or more of the following
    • 1.Tolerance defined either by a need for markedly increased amounts of the substance to acheive intoxication or the desired effect
    • 2. markedly dimished effect with continued use of the same amount of the substance
  7. What are some other indications of dependence
    • The substance is taken in larger amounts or over a longer period than intended
    • A great deal of time is spent in activities necessary to obtain the substance, use in substance
    • There is a persistent desire or unsucessful efforts to cut down or control substance use
  8. Define abuse
    • A pattern of substance use which manifests by recurrent significant abusive consequences related to the repeated ingestion of the substance
    • 1.Recurrent use of a substance resulting in a failure to fulfull major role obligations at work, school or home
    • 2. Becomes physically hazardous and leads to legal and social problems
  9. What two drugs are common drugs of abuse that do not lead to physical dependence
    Marijuana and cocaine
  10. Define physical dependence
    The physiological need for the drug that has been brought about by its regular use

    The desire to avoid withdrawal symptoms ultimately causes physical dependence or addiction
  11. Define drug
    A natural or synthetic substance that is used to produce physiological or psychological effects in humans
  12. Name some derivatives of the poppy plant
    • Heroin
    • Opium
    • Morphine
  13. Morphine is used to synthesize what two drugs?
    • Heroin
    • Codeine
  14. Facts of oxycontin
    • Active ingredient is oxycodone
    • Has the same physiological effects on the body as opium
    • Is prescribed to millions of patients for treatment of chronic pain
  15. Facts of methadone
    • Well known synthetic opiate
    • Pharmalogically related to heroin
    • Eliminates addict's desire for heroin
  16. The most widely used illicit drug
    Marijuana
  17. What class of drugs is marijuana under
    Hallucinogens
  18. What effects does hallucinogens have on the body
    They cause marked changes in normal though processes, perception and moods
  19. What plant does the marijuana drug come from
    Cannabis
  20. What is THC
    Chemical substance largely responsible for the hallucinogenic properties of marijuana
  21. What does THC stand for
    tetrahydrocannabinol
  22. What is the decreasing sequence of the THC content of the cannabis plant
    Resin, flowers, leaves, stem root seeds
  23. The THC resin is known as
    hashish
  24. What were the first three states to approve marijuana for recreational use?
    • Washington
    • Oregon
    • Colorado
  25. Facts on LSD
    • Synthesized from lysergic acid
    • Hallucinations can last up to 12 hours
  26. PCP can be
    • Smoked
    • Ingested
    • Sniffed
  27. What does PCP stand for
    Phencyclidine
  28. PCP is often mixed with what drugs?
    • LSD
    • Amphetamine
  29. "Angel dust"
    Powder form of PCP
  30. What are some effects of depressants
    • Showed pulse and breathing
    • Decreased blood pressure
    • Calm irritablity and anxiety and may induce sleep
  31. What drugs are categorized as depressants
    • Alcohol
    • Barbiturates
    • Anti-anxiety drugs
    • Airplane glue
  32. What are the effects of alcohol
    Enters the bloodstream and travels to the brain to supress the brain's control of thought processes and muscle coordination
  33. What are the effects of barbiturates
    They are downers taken orally to create a feelign of well-being, relax the body and produce sleep
  34. What are the effects of anti-anxiety drugs
    They produce a relaxing tranquility without impairment of high thinking faculties or inducing sleep
  35. Name two anti-anxiety drugs
    • Valium
    • Xanax
  36. What are stimulants
    Substances taken to increase alertness or activity followed by a decrease in fatigue and a loss of appetite.
  37. Name some drugs classified as stimulants
    • Amphethamines
    • Cocaine
  38. How are ampthetamines and methamphetamines used
    Injected intravenously
  39. What are the effects of amphetamines
    • An initial rush followed by an intense feeling of pressure
    • Followed by a period of exhausted and a prolonged period of depression
  40. What is cocaine extracted from
    The leaves of the Erythroxylin coca plant
  41. What are the effects of cocaine
    Increased alertness and vigor accompanied by the supression of hunger fatigue and boredom.
  42. What is crack
    Cocaine mixed with baking soda and water then heated
  43. Club drugs refers to
    Sunthetic drugs that are used at nightclubs, bars and raves
  44. Name some club drugs
    • MDMA (Ecstasy)
    • GHB (gamma hydroxybutyrate)
    • Rohypnol (Roofies)
    • Ketamine
    • Methamphetamine
  45. What two club drugs are commonly connected to sexual assault
    • GHB
    • Rohypnol
  46. What are the effects of ecstasy
    Enhances self-awarness and decrease inhibitions
  47. What is ketamine primarily used for
    Veterinary animal anesthetic
  48. What effects does Ketamine have in humans
    Euphoria and hallucinations
  49. What are the negative effects of ketamine
    • Impaired motor functions
    • High blood pressure
    • Amnesia
    • Mild respiratory depression
  50. What are anabolic steroid
    Synthetic compounds that are chemically related to the to testosterone
  51. What are some of the side effects of anabolic steroids
    • Unpredictable effects on mood and personality
    • Depression
    • Diminished sex drive
    • Liver cancer
  52. Describe schedule I drugs
    Have a high potential for abuse and have no currrently accepted medical use
  53. Name some schedule I drugs
    • Heroin
    • marijuana
    • mathaqualone
    • LSD
  54. Describe schedule II drugs
    Have a high potential for abuse and medical use with severe restrictions
  55. Name some schedule II drugs
    • Cocaine
    • PCP
    • Most amphetamine and barbiturate prescription
  56. Describe schedule III drugs
    Less potential for abuse and cuurently accepted medical use
  57. Name some schedule III drugs
    • All barbiturate prescriptions not covered under Schedule II
    • Codeine
    • Anabolic steroids
  58. Describe Schedule IV
    Low potential for abuse and have current medical use
  59. Name some schedule IV drugs
    • Darvon
    • Phenobarbital
    • Tranquilizers: Diazepam(valium) and Chlordiazepoxide (librium)
  60. Describe schedule V drugs
    Must show low potential for abuse and have medical use
  61. Name some schedule V drugs
    opiate drug mixtures that contain non narcotic medicinal ingredients
  62. What is the color test for heroin and amphetamines
    Marquis test
  63. What is the color test for marijuana
    Duquenois-Levine
  64. What is the color test for cocaine
    Scott test
  65. What is the color test for Barbiturates
    Dillie-Koppanyi
  66. What is the color test for LSD
    Van urk
  67. What  are microcrystalline tests
    They can be used to identify specific drug substances by studying the size and shape of crystals formed when the drug is mixed with specific reagants
  68. What two test are used to specifically identify a drug substance
    • Infrared spectrophotometry
    • Gas chromatography-mass spectrometry
  69. Qualitative determination
    The identity of the material
  70. Quantititative determination
    The percent composition of the components of the mixture
  71. What is chromatography
    A means of seperating and tentatively identifying the components of the mixture
  72. IR spectrum
    • Used in forensic laboratory to characterize chemical compounds
    • Equivalent to a fingerprint of that substance
  73. What is the absorption path of alcohol
    Stomach-small intestines-bloodstream
  74. When does oxidation take place in the body
    Almost entirely in the liver
  75. The amount of alcohol ________ is directly proportionate to the blood concentration
    exhaled in the breath
  76. What test are considered reliable and effective psychological test for BAC
    • Horizontal gaze nystagmus
    • Walk and turn
    • One legged stand
  77. What is the Blood alcohol limit
    0.08%
  78. What are some screening tests for drugs
    • Thin layer chromatography
    • Gas chromatography
    • Immunoassay
  79. What kind of reaction is fire
    Exothermic (energy is released)
  80. For combustion to be initiated and sustained what three elements are necessary
    • Fuel
    • Heat
    • Oxygen
  81. What  is oxidation
    The combination of oxygen with other substances to produce new substances
  82. What  is the ignition temperature
    The minimum temperature needed to spontaneously ignite fuel
  83. What is combustion
    The heat evolved when a substance burns
  84. What is the auto-ignition temperature
    The minimum temperature to which a substance must be heated in air to ignite independently of the heating source
  85. Define energy
    The combined ability or potential of a system or material to do work
  86. What are some forms of energy
    • Heat energy
    • Chemical energy
    • Electrical energy
  87. What is the heat of combustion
    The heat evolved when a substance is burned in oxygen
  88. Define flashpoint
    The minimum temperature at which a liquid fuel will produce enough vapor to burn
  89.  Pyrolysis
    The process at which a solid decomposes into gaseous products
  90. Flame point
    A specific temperature at which an ignitable liquid would produce sufficient vapors to support continuous combustion
  91. What  is the flash point of gasoline
    -45oF
  92. What  is the flash point of Kerosen
    100oF
  93. What is the Ignition temperature of gasoline
    536-853oF
  94. What is the Ignition temperature of Kerosen
    410oF
  95. Normally fire has the tendency to move in what direction
    Upward

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