Quiz Three

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Pattern diversity principle is defined as

the variations in combinations of blood volumes and forces acting on those volumes lead to recognizable classes of patterns

T/F: Latent, Patent, and plastic are all general types of fingerprints

true

T/F: SPR is a liquid with molydenum disulfide suspended in it that is effective for wet surfaces

true

T/F: The primary reason for using super glue fuming technique is it stabilizes the latent print

true

T/F: The theory of Blood pattern analysis is blood as a fluid responds to forces in a predictable manner

true

T/F: directionality defines the direction a droplet was moving at the time it struck a surface

true

T/F: the range determinations offered by the medical examiner are all based on the absence or presence of soot, stippling and burning in or around the wound

true

T/F: the two primary categories of the bloodstain pattern taxonomy are spatter and no spatter stains

true

A fingerprint that is actually a 3D Impression made in some malleable media (eg wax)

plastic

Which of the below is an example of basic surface types

porous surface, nonporous rough, nonporous smooth, special conditions

T/F: Latent prints are typical mindset of fingerprints, depositors of oils leaving a nearly invisible deposit that must be enhanced

True

T/F: The point where the reverse vectors of several related spatter stains converge on a surface

True

T/F: the effective documentation of bullet defects so important because they define specific events in the scene, so knowing position and orientation of the evidence in the scene can be critical to any conclusions drawn from the evidence.

True

T/F: AFIS is a computerized system that removed any need for human involvement in fingerprint identification

Ture

T/F: Fluorescent fingerprint powder provides greater contrast between the background and the latent print. It is effective on multicolored surfaces

Ture

Fingerprint identification is made by comparing ___ in the known fingerprint with the unknown fingerprint sample

arches, loops, and whorls

basic scene fingerprinting techniques include

brush and powder, superglue fuming, small particle reagent (SPR), and rough surface casting gel or silicon

which term applies to the projectile fired from a handgun

bullet

T/F: Identification of a firearm to a bullet is accomplished by evaluating the lands and grooves

false

T/F: Where each and every bullet defect is located is not of significant interest and bullet holes do not have to be located in the sketch and crime scene mapping data

false

T/F: once a fingerprint has been developed it is called a known

false

which is part of the basic steps used to conduct a bloodstain pattern analysis

familiarize yourself with the scene, identify all discrete patterns, categorize the patterns

internal ballistics is conducted by

forensic firearms examiner

terminal ballistics is conducted by

forensic pathologist

Adding machine paper technique is best used on

human skin


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