Forensics Chp 4

Descrição

Forensic Science mid term chp 4 study
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Quiz por cheetahgoddess, atualizado more than 1 year ago
cheetahgoddess
Criado por cheetahgoddess aproximadamente 10 anos atrás
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Resumo de Recurso

Questão 1

Questão
The amount of spatter from a blood droplet falling on a hard, non-porous surface is _______ that of a drop of blood of equal size, falling from the same distance, onto a softer, porous surface.
Responda
  • The same as
  • Less then
  • Greater than

Questão 2

Questão
The pointed end of a bloodstain always faces
Responda
  • Opposite its direction of travel
  • Toward the direction from which the force came
  • Its direction of travel
  • Toward the position of the blood source

Questão 3

Questão
A blood droplet deposited at an angle of impact of about 90º (directly vertical to the surface) will:
Responda
  • Show acute elongation
  • Feature a tail showing the directionality
  • Be elliptical in shape
  • Be approximately circular in shape

Questão 4

Questão
The most common type of bloodstain pattern found at a crime scene is:
Responda
  • Cast-off spatter
  • Void spatter
  • Impact spatter
  • Arterial spray

Questão 5

Questão
The velocity classification of an impact spatter pattern
Responda
  • Cannot illuminate the specific events that produced the pattern
  • Can determined the kind of action that produced the patter
  • Is never used for descriptive purpose
  • Can only be determined by a trained bloodstain pattern analyst

Questão 6

Questão
The intersection of straight lines through the long axis of several individual bloodstains in an impact spatter pattern illustrates the ______ of the pattern
Responda
  • Area of origin
  • Void patter
  • Area of convergence
  • Velocity classification

Questão 7

Questão
At the crime scene, the string method is used to find the ______ of an impact spatter pattern
Responda
  • Area of origin
  • Void pattern
  • Area of convergence
  • Velocity classification

Questão 8

Questão
The deposition of backward spatter produced by a gunshot wound is determined be:
Responda
  • The location of the injury
  • The size of the wound created
  • The distance between the victim and the muzzle
  • All of the above

Questão 9

Questão
If a murder victim's blood is found in the muzzle of a firearm:
Responda
  • No conclusion can be made
  • It can be concluded that the firearm is the murder weapon
  • It can be concluded that the firearm was present during the injury to the victim
  • It can be concluded that the owner of the firearm is the prepetrator

Questão 10

Questão
Which weapon would create cast-off patterns consisting of small droplets in a linear pattern?
Responda
  • Baseball bat
  • Knife
  • Wooden plank
  • All of the above

Questão 11

Questão
The pressure of the pumping of oxygenated blood out of an injury causes bright red-colored blood to spurt out and form a(n):
Responda
  • Void pattern
  • Expirated pattern
  • Arterial spray pattern
  • Both b and c

Questão 12

Questão
The removal of an object or surface that was located between the origin of blood and the target surface during the blodstain deposition leaves behind:
Responda
  • Expirated blood
  • A void
  • Blowback spatter
  • An undentifiable pattern

Questão 13

Questão
When an object with blood on it touches one that does not have blood on it, this produces a(n):
Responda
  • Flow
  • Indistinguishable pattern
  • Contact pattern
  • Trail pattern

Questão 14

Questão
Widely spaced bloody shoe prints with satellite spatter between the shoe prints were likely deposited by an individual who was:
Responda
  • Standing in place
  • Walking slowly
  • Running
  • Carrying a bloody weapon

Questão 15

Questão
The direction of a _______ may show movement of objects or bodies while the pattern was still forming or after the blood has dried
Responda
  • Flow pattern
  • Cast-off pattern
  • Bloodstain tail
  • Trail pattern

Questão 16

Questão
The approximate drying time of a pool of blood can be used to estimate timing of events at a crime scene and is dependent upon:
Responda
  • The clotting ability of the blood
  • The blood type of the blood
  • The environmental condition of the scene
  • The method of deposition

Questão 17

Questão
The skeletonized perimeter of a bloodstain can be used to interpret:
Responda
  • The kind of force that produced the bloodstain
  • The time that elapsed between deposition of the stain and alteration of the stain
  • The source of the bloodstain
  • Both b and c

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