Introduction to Scientific and
Investigative Techniques 5th Edition
Suzanne Bell All Chapters
What is the primary piece of equipment or instrumentation used by a forensic scientist
when conducting a firearms examination? - answer- Compare Microscope
What does the acronym CODIS stand for, and what is its role in forensic investigations? -
answer- Combined DNA Index System. It links DNA from crime scenes and convicts offenders,
arrestees, and missing persons.
True or False: The Rh factor in blood typing is considered irrelevant when conducting a
forensic investigation. - answer- False
If a subject has died from asphyxiation due to strangulation with a cord, and the injury
could not have been self-inflicted, determine the cause and manner of death. - answer- Cause of
death - asphyxiation
, Manner of death - strangulation
What term is used to describe the time recorded when the Medical Examiner pronounces
death and the death certificate is signed? - answer- Legal death
Explain the primary purpose of a comparison microscope in the field of forensic ballistics
- answer- you can compare both cartridge cases directly because you can see them clearly
What type of weapon is likely to cause a deep puncture wound with minimal tearing of
the skin and no fractured bones? - answer- knife
Which factor is used to determine the caliber of a firearm? - answer- Diameter of its bore
Algor mortis refers to whcih postmortem change? - answer- Gradual coolingof the body
Livor mortis refers to which postmortem change? - answer- setting of the blood causes
discoloration