Alcohol Elimination and Testing
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Questions and Answers

What is the most widely used approach for determining alcohol levels in blood in forensic labs?

  • Gas chromatography (correct)
  • Fuel-cell detectors
  • Serum alcohol level conversion
  • Autoanalyzers
  • What is the factor used to convert serum alcohol level to blood-alcohol concentration?

  • 1.12
  • 1.08
  • 1.16 (correct)
  • 1.20
  • Which of the following is NOT a requirement for proper collection and preservation of blood for alcohol testing?

  • Blood must be sealed in an airtight container after adding an anticoagulant and preservative
  • Blood must be stored at room temperature (correct)
  • A nonalcoholic disinfectant must be applied before skin penetration
  • Blood must be drawn by a qualified individual
  • What is the legal blood alcohol concentration (BAC) limit in the United States?

    <p>0.08%</p> Signup and view all the answers

    What is the potential issue with measuring alcohol content in the blood of a decedent?

    <p>Alcohol may be produced during composition</p> Signup and view all the answers

    What type of instrument is normally used in hospital or clinical labs to measure alcohol content?

    <p>Autoanalyzers</p> Signup and view all the answers

    What is the primary effect of alcohol on the human body?

    <p>Depressant effect on the central nervous system</p> Signup and view all the answers

    How long does it typically take for alcohol to be fully absorbed into the bloodstream after drinking?

    <p>30-90 minutes</p> Signup and view all the answers

    What factor can affect the absorption rate of alcohol into the bloodstream?

    <p>All of the above</p> Signup and view all the answers

    Where does alcohol distribute throughout the body once fully absorbed?

    <p>Uniformly in the watery portions of the body</p> Signup and view all the answers

    How is blood alcohol concentration (BAC) related to the amount of alcohol in the brain?

    <p>BAC is directly proportional to brain alcohol concentration</p> Signup and view all the answers

    What is the primary cause of about 17,000 traffic deaths each year in the United States?

    <p>Alcohol intoxication</p> Signup and view all the answers

    Which of the following can be used to determine alcohol levels in decedents when blood is not available?

    <p>Brain tissue</p> Signup and view all the answers

    What is the main process by which alcohol is eliminated from the body?

    <p>Oxidation in the liver</p> Signup and view all the answers

    What percentage of alcohol is excreted unchanged in the breath, urine, and perspiration?

    <p>5%</p> Signup and view all the answers

    What is the average rate at which alcohol is eliminated from the body?

    <p>0.015%/hr</p> Signup and view all the answers

    What is the current legal measure of drunk driving in the United States?

    <p>0.08% blood-alcohol concentration</p> Signup and view all the answers

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