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PCC 274 Final Exam Review with complete answers(verified for accuracy).
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PCC 274 Final Exam Review with complete answers(verified for accuracy).
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PCC 274 Final Exam Review withcomplete answers(verified for
accuracy)
Who is the father of forensic toxicology? - answer Mathieu Orfila
Who developed the fundamentals of document examination? -
answer Albert Osborn
Who developed the first definitive study of fingerprints and their
classification? - answer Francis Galton
Who used a microscope to determine if a bullet was fired from a
specific gun? - answer Calvin Goddar
A blood droplet deposited at an angle of impact of about 90º
(directly vertical to the surface) will: - answer Be approximately
circular in shape.
What will be the angle of impact for below bloodstain? Where W=
9mm and L = 18 mm. - answer 30°
ALS are commonly used for locating: - answer Fibers and Body
Fluids
A bloodstain should be categorized relative to what: - answer The
events that produced them and the possible sources and movement
of these source
,What are the major federal crime labs? - answer a. FBI (Federal
Bureau of Investigation
b. ATF (Bureau of Alcohol, Tobacco, Firearms, and Explosives)
c. U.S. Postal Inspection Service
Upon arriving at the crime scene for evidence collection, what
should be done first? - answer Photographing the crime scene
A ______ is created when an object is moved through an existing pool
of blood, altering its appearance. - answer blood smear
The likelihood of finding class physical evidence is ________ the
likelihood of finding physical evidence with individual
characteristics. - answer greater than
Who is the gatekeeper to acceptance of expert testimony? - answer
The judge
What are the primary responsibilities of the first officer arriving on a
crime scene? - answer Preserving and protecting the area,
obtaining medical assistance, and possibly apprehending the
perpetrator
Random glass fragments, and synthetic fibers all exhibit: - answer
Class characteristics
Changes to evidence, such as contamination, can be prevented by
handling evidence with - answer latex gloves or disposable forceps
What is of paramount importance in the interpretation of bloodstain
patterns? - answer the angle of impact
, The presence of a cast-off pattern shows that there were more than
________ blow(s) delivered: - answer one
Characteristic markings on the skin caused from the discharge of a
firearm is known as: - answer tatooing and stippling
Which statement about note-taking is NOT true?
The individual who packaged and marked items of evidence should
be recorded.
b.Note-taking is done after all crime scene processing has been
completed.
c.Notes should include location of physical evidence recovered.
d.Disposition of items after collection must be included. - answer
Note-taking is done after all crime scene processing has been
completed.
The dramatization of forensic science on television has led to a
phenomenon known as the: - answer The CSI effect
What factor(s) do(es) the court usually take into consideration as
sufficient grounds for qualification as an expert witness? - answer
experience, training, and education
What information can an investigator gain from the location of the
area of origin of a bloodstain pattern? - answer position of person
from which the pattern originated
The scientific method requires that scientific evidence be validated
by: - answer performing experiments
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