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Exam 4: Physical Evidence

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Question 31

Multiple Choice

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Which of the following is/are guidelines to be used in handling soil evidence?

A) Gather soil as quickly as sound action permits.
B) Collect soil samples where there are noticeable changes in composition, color, and texture.
C) Collect soil samples from a depth that is consistent with the depth at which the questioned soil may have originated.
D) All are guidelines to be used in handling soil evidence.

E) All of the above
F) B) and D)

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Question 32

True/False

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When the finger leaving the print is very contaminated,both the ridge surfaces and their "valleys" get filled up,resulting in a smeared appearance with little value as evidence.

A) True
B) False

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Question 33

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A fingerprint is a replica of the friction ridges that touched the surface on which the print was found.

Blood stains,known as ________,may take many forms at a crime scene,produced by such factors as the type,location,and number of wounds inflicted.

Collect soil samples from a depth that is consistent with the depth at which the questioned soil may have originated.

How are unknown/questioned and known samples alike or different?

________ is used to develop latent prints on the adhesive side of almost any kind of tape and is also useful on plastic surfaces.The results can be enhanced by viewing the treated area under laser illumination.

It may be possible to reconstruct a crime based on the analysis of blood stains.Identify six determinations which may be made from this type of analysis.

Skeletal,burned,or mutilated remains can best be identified by

Which characteristic can be identified as originating from a particular person or source?

What three factors account for the rapid rise in superglue fuming?

Characteristics of physical evidence that are common to a group of objects or persons are termed individual characteristics whereas class characteristics can be identified,with a high degree of probability,as originating with a particular person or source.

Which of the following information cannot be provided by a forensic examination of hair?

When analyzing blood evidence,the more elliptical the stain,the more ________ the angle of impact.

When a suspect does not give informed consent to obtain bite mark evidence,the courts provide two methods of obtaining these records: a court order or a ________.