You will need to copy and paste these questions into a Word document and type in the answers. Use as much space as you need, and please do not put one sentence answers. Make sure you fully answer the question and answer ALL parts of the question.Please use the ch 11,12,13 powerpoints ,and videos provided
Assignment
Chapter 11: Hairs and Fibers
Chapter 12: Drugs
Chapter 13: Forensic Toxicology
- What is the follicular tag and why is it important to forensic scientists studying hair?
- Why are most hair specimens collected at crime scenes not good sources of DNA?
- What type of hair specimens are potentially the richest source of nuclear DNA and why?
- What aspect of the hair cortex is most important for the criminalist and why?
- What is mitochondrial DNA and why is it useful in analyzing hair samples?
- How has mass production limited the value of fiber evidence?
- In comparing two hair samples, what aspects of the hair is the criminalist particularly interested in matching? What other features of the hair are important to compare?
- How can excess use of depressants cause death?
- Name TWO club drugs that are associated with drug-facilitated sexual assault, rape, and robbery. Why are these drugs relatively easy to administer to an unsuspecting victim?
- What is the most widely used illicit drug in the US? Under what class of drugs is it listed and what are its short-term physical and psychological effects at low to moderate doses?
- Name the TWO most commonly abused illegal stimulants and the smokable forms of each. Why does smoking provide a more intense drug experience than inhaling or “snorting” stimulants?
- What is the source of most narcotic drugs? From what plant is this substance derived?
- List at least THREE factors that determine the rate at which alcohol is absorbed into the bloodstream.
- What is a divided attention task? Name and describe two divided attention tasks often administered during field sobriety tests.
- At what blood alcohol level is a typical driver in the US considered legally intoxicated? At what blood alcohol level is a commercial truck or bus driver in the US considered legally intoxicated?
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