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Questions and Answers
What is the primary function of forensic chemistry in criminal investigations?
What is the primary function of forensic chemistry in criminal investigations?
- To determine the guilt or innocence of suspects
- To predict future criminal behavior
- To conduct psychological evaluations of offenders
- To analyze physical evidence collected from crime scenes (correct)
Which role does a forensic chemist primarily fulfill in relation to evidence?
Which role does a forensic chemist primarily fulfill in relation to evidence?
- Analyzes and interprets chemical evidence (correct)
- Collects evidence from crime scenes
- Manages the crime laboratory
- Interviews witnesses during investigations
What distinguishes class characteristics from individual characteristics in physical evidence?
What distinguishes class characteristics from individual characteristics in physical evidence?
- Class characteristics can identify a specific item, whereas individual characteristics group items.
- Class characteristics are unique, while individual characteristics are general.
- Class characteristics apply to groups of items, while individual characteristics pertain to a single source. (correct)
- Class characteristics are irrelevant in forensic investigations.
Why is the preservation of physical evidence crucial in forensic investigations?
Why is the preservation of physical evidence crucial in forensic investigations?
What type of tests are used to initially determine the presence of blood at a crime scene?
What type of tests are used to initially determine the presence of blood at a crime scene?
What is the liquid portion of blood that constitutes 65% of its total volume called?
What is the liquid portion of blood that constitutes 65% of its total volume called?
What is the main purpose of conducting a presumptive test for blood?
What is the main purpose of conducting a presumptive test for blood?
Which of the following is NOT a factor in the loss of physical evidence according to forensic principles?
Which of the following is NOT a factor in the loss of physical evidence according to forensic principles?
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