Forensics Chp 4

Beschreibung

Forensic Science mid term chp 4 study
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Zusammenfassung der Ressource

Frage 1

Frage
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.
Antworten
  • The same as
  • Less then
  • Greater than

Frage 2

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

Frage 3

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

Frage 4

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

Frage 5

Frage
The velocity classification of an impact spatter pattern
Antworten
  • 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

Frage 6

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

Frage 7

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

Frage 8

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

Frage 9

Frage
If a murder victim's blood is found in the muzzle of a firearm:
Antworten
  • 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

Frage 10

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

Frage 11

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

Frage 12

Frage
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:
Antworten
  • Expirated blood
  • A void
  • Blowback spatter
  • An undentifiable pattern

Frage 13

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

Frage 14

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

Frage 15

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

Frage 16

Frage
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:
Antworten
  • The clotting ability of the blood
  • The blood type of the blood
  • The environmental condition of the scene
  • The method of deposition

Frage 17

Frage
The skeletonized perimeter of a bloodstain can be used to interpret:
Antworten
  • 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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