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32 terms

Forensics Multiple Choice

Edmond Locard
One of the earliest crim laboratories was founded by________
Daubert v. Merrell Dow Pharmaceuticals
The judicial case that set forth the current guidelines for determinging the admissibility of scientific examinations in the federal court is ______
General acceptance of scientific principles
The case of Frye v. United States deals with the legal issue of_______
polygraph examinatoin
The following service does not normally lie within the expertise of the forensic scientist_______
all of the above
The effectiveness of an expert's testimony is almost always dependent on the______
All of the above
The obligation to maintain the integrity of evidence belongs to which of the following?
Way the evidence is collected and presented for examination
The relative evidential value of laboratory test results is almost always dependent on the_____
Nature of evidence
The manner of collecting and preserving physical evidence at a crime scene is determined by the____
All of the above
Physical evidence may be obtained from the _____
Bloodstained clothing
All of the following items may be place in an airtight container except
Determining the natural variations that exist in physical evidence
The evidence collector is not concerned with_____
Which of the following search patterns can be performed effectively by one person?
Exonerate an innocent suspect
Evidence having class characteristics can_____
If the laboratory can piece broken glass from a window or headlight together, then the evidence has _______ characteristics
Whether or not they have a common origin
A compatison analysis subjects a suspect specimen and a control specimen to the same tests and examinations for the ultimate purpose of determinging_____
This method will definitely demonstrate common origin when a match is made
The "jigsaw fit" of known and questioned fragments is important for court presentation primarily because _______
The computerized database used to store DNA information is ______
All of the above
Physical evidence that can be used to aid in a crime scene reconstruction includes _______
Algor mortis
The process by which the body temperature cools after death is know as______
All of the above
Which of the following techniques can be used to estimate the time of death?
The jury
Who ultimately determines the significance of physical evidence in a trial?
One inch is equivalent to how many centimeters?
100 degrees Celcius
Water boils at
Color change in the presence of another chemical substance
Which of the following is not a physical property of a substance?
Weight per unit volume
Density is defined as_______
Less than
A piece of glass is immersed in a liquid. It proceeds to float on the liquid's surface. This shows that the density of the glass is _______ the density of the liquid
Refractive index and density
The two most important physical properties of glass for forensic comparisons are _______
The exit side of the glass
The larger opening of a crater-shpaed hole in glass made by the penetration of a projectile indicates_________
Refractive index and density
If glass cannot be physically pieced together, then the control and question glass are best compared as to their _______
Radial and concentric lines
The fracture pattern of glass usually has ______
Parallel to the side on which the force was applied
Stress marks on the edge of a radial crack near the point of impact are ______
Any given substance
Refractive index measures the speed of light in a vacuum to its speed in