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Forensic Science Chapter 2

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Forensic Science Midterm Chapter 2 Study
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Resumo de Recurso

Questão 1

Questão
After providing or obtaining medical assistance for the injured and effecting an arrest of suspects (if possible), the first officer arriving at a crime scene should immediately:
Responda
  • Search for evidence
  • Secure the scene
  • Make a rough sketch of the scene
  • Take notes

Questão 2

Questão
The first responding officer must make attempts at the crime scene to detain and question
Responda
  • Witnessess
  • Unauthorized personnel
  • Suspects
  • Both A and C

Questão 3

Questão
Police barricades, and the strategic position of guards, will prohibit access to the crime scene for:
Responda
  • Civilians only
  • Civilians and media personnel
  • All law enforcement personnel
  • All unauthorized personnel

Questão 4

Questão
The conditions at a crime scene can be compromised by all of the following actions EXCEPT:
Responda
  • Taking photographs at the crime scene
  • Adjusting the temperature of the crime scene
  • Eating food at the crime scene
  • Turning a faucet on at the crime scene

Questão 5

Questão
The size and location of the crime scene, as well as the events that occurred there, will determine:
Responda
  • The kind of evidence that will be missing
  • The kind of search pattern that is used to locate evidence
  • The amount of care that must be taken during the crime scene search
  • The time at which the crime scene is searched

Questão 6

Questão
Which search patter would be best suited for a crime scene where many investigators are available to search a large area?
Responda
  • Spiral
  • Grid
  • Line
  • Zone

Questão 7

Questão
The purpose of the crime scene search is to locate:
Responda
  • DNA-containing evidence
  • All physical evidence
  • Fingerprint evidence
  • Bloodstain patterns

Questão 8

Questão
The most basic methods of crime scene recording do NOT include:
Responda
  • Note-taking
  • Photographs
  • Narrated videotapes
  • Infrared analysis

Questão 9

Questão
If the crime scene includes a dead body, the photographer should:
Responda
  • Determine the time of death
  • Attempt to identify the victim
  • Document all forensic personnel at crime scene
  • Depict injuries and weapons at scene

Questão 10

Questão
A rough sketch need NOT include a:
Responda
  • Sketch of the suspect(s)
  • Compass heading designating north
  • Date, location, and time of the incident
  • Location of all recovered physical evidence

Questão 11

Questão
CAD programs enhance the ability to:
Responda
  • Take complete notes
  • Develop photographs
  • Edit video tape
  • Produce a finished crime scene sketch

Questão 12

Questão
Which statement about note-taking is NOT true?
Responda
  • The individual who packaged and marked items of evidence should be recorded
  • Note-taking is done after all crime scene processing has been completed
  • Notes should included location of physical evidence recovered
  • Disposition of items after collection must be included

Questão 13

Questão
Which crime scene search pattern would absolutely require more than one investigator?
Responda
  • Spiral
  • Line
  • Grid
  • Zone

Questão 14

Questão
Physical evidence at a hit-and-run scene should include
Responda
  • Fiber and tissue
  • Glass fragments
  • Fabric impressions
  • All of the above

Questão 15

Questão
The crime scene notes must accurately record:
Responda
  • The tasks assigned each investigator
  • Personnel arrivals and departures from the scene
  • Descriptions of evidence present at the crime scene
  • All of the above

Questão 16

Questão
The advantages of tape-recording crime scene notes on an audio tape include all of the following EXCEPT:
Responda
  • The notes can be recorded at the crime laboratory instead of at the crime scene.
  • The investigator's hand are free to carry out other tasks while recording the notes
  • Audio tapes have the added security feature of preventing erasure or taping over if the security tab on the tape
  • The notes are recording as the observation are made

Questão 17

Questão
In digital photography, light is recorded as a specific charge on millions of tiny:
Responda
  • Silver halide grains
  • Charge coupled devices
  • Semi-conductors
  • Pixels

Questão 18

Questão
Digital crime scene photographs require special measures to assure their admissibility tin court due to:
Responda
  • Their poor quality
  • The inability to manipulate the images
  • The ability to manipulate the images
  • All of the above

Questão 19

Questão
Videotapes of the crime scene:
Responda
  • Can be used in place of notes and photographs
  • Must be complemented by a hard copy of notes and separate still photographs
  • Are required in all jurisdictions
  • Are not admissible in court due to the poor image quiality

Questão 20

Questão
Crime scene sketches serve a unique purpose in permanently documenting the location of evidence
Responda
  • Processed at the crime scene
  • Containing drug evidence
  • Not documented in photographs
  • Collected and removed from the crime scene

Questão 21

Questão
From the choices, select the one correct physical evidence collection procedure
Responda
  • Bloodstained garments should be packaged separately in paper bags
  • Items recovered from scene of a murder should be sent along with the body to the Medical Examiner
  • All items collected from the same grid area should be packaged together.
  • The victim's clothing should be obtained at the crime scene and vacuumed to obtain trace evidence

Questão 22

Questão
Investigators should collect possible carriers of trace evidence which may include:
Responda
  • Vacuum sweepings
  • Clothing
  • Fingernail scrapings
  • All of the above

Questão 23

Questão
Changes to evidence, such as contamination, can be prevented by handling evidence with:
Responda
  • Latex gloves
  • Dry, bare hands
  • Disposable forcepts
  • A and C

Questão 24

Questão
Charred debris from an arson scene should be:
Responda
  • Placed together with similar items in a paper bag
  • Placed in Ziploc® bags.
  • Packaged in airtight glass jars
  • Aired out before packing in plastic wrap

Questão 25

Questão
A victim's fingernail scrapings would be correctly packaged in:
Responda
  • A druggist fold
  • A plastic Ziploc® bag
  • Sealed, airtight containers
  • Both b and c

Questão 26

Questão
The successful outcome of a criminal investigation is almost always directly related to:
Responda
  • The manner in which the evidence is collected and preserved
  • The number of people employed in the crime lab
  • The volume of the physical evidence collected
  • Whether the crime is considered high-profile

Questão 27

Questão
A properly maintained chain or custody is NOT the responsibility of the:
Responda
  • Crime scene processor
  • Evidence clerk
  • Forensic technician
  • Trial judge

Questão 28

Questão
Success in the recognition and collection of physical evidence is determined primarily by the:
Responda
  • Notoriety of the case
  • Time available to the evidence collectors
  • Skills of personnel processing the crime scene
  • Type of evidence involved

Questão 29

Questão
The collection of standard reference samples at the crime scene is important because they:
Responda
  • Permit comparisons to be made with the evidence
  • Are obtained only from suspects in cases of violent assault
  • Serve as a source of extra test material if required in the crime lab
  • All of the above

Questão 30

Questão
The presence of blood and semen at crime scenes exposes investigator to:
Responda
  • Hepatitis B
  • AIDS
  • Both a and b
  • Neither a nor b

Questão 31

Questão
The removal of any evidence from a person or from the scene of crime must be done in a conformity with the privileges of which amendment to the Constitution?
Responda
  • Sixth
  • Fourth
  • Fifth
  • First

Questão 32

Questão
The police are NOT required to obtain a search warrant if they are:
Responda
  • Unable to locate a judge to issue a warrant
  • Certain their suspect is guilty
  • In the process of a legal arrest
  • Investigating the murder of a fellow officer

Questão 33

Questão
Which of the following is U.S. Supreme Court decision which dealt with the impropriety of the warrantless collection of physical evidence at a homicide scene?
Responda
  • Mapp v. U.S
  • Frye v. U.S.
  • People v. Wilkens
  • Mincey v. Arizona

Questão 34

Questão
Which type of evidence must be packaged separately from other evidence?
Responda
  • Biological stain evidence
  • DNA-containing evidence
  • Arson evidence
  • All of the above

Questão 35

Questão
Which of the following items is likely to contain DNA evidence?
Responda
  • A self-adhesive mailing stamp
  • A bed sheet
  • A blue rug fiber
  • A glass fragment

Questão 36

Questão
The evidence collector must take extraordinary care to avoid potential contamination by transferring DNA onto objects of evidential value by:
Responda
  • Reusing shoe covers
  • Packaging items containing potential DNA evidence in airtight bags
  • Wearing a face mask
  • Using the same pair of forceps to collect all evidence at the crime scene

Questão 37

Questão
The best way to guarantee that the evidence will withstand inquiries about what happened to it from the time of its finding to its presentation in court is to:
Responda
  • Properly record the crime scene
  • Properly mark evidence for identification
  • Properly complete evidence submission forms
  • All of the above

Questão 38

Questão
When biological samples of unknown origin are discovered at a crime scene, investigators:
Responda
  • Should assume no pathogens are present and treat the samples as such
  • Should allow only trained hazardous materials teams to handle the evidence
  • Should assume pathogens are present and treat the sample as such
  • Should package them in plastic bags

Questão 39

Questão
Special circumstances at a crime scene may require the use of the following for evidence collection, EXCEPT:
Responda
  • Particle masks
  • Biohazard packages
  • Coveralls
  • All of the above may be required

Questão 40

Questão
“The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizure…” is provided for in the United States by the:
Responda
  • Frye standard
  • Fourth Amendment
  • Declaration of Independence
  • Second Amendment

Questão 41

Questão
Warrantless searches are permitted under law in all of the following situations EXCEPT:
Responda
  • The existence of emergency circumstances
  • The injury or death of a police officer or law enforcement employee
  • The consent of the parties involved
  • The need to prevent the immediate loss of evidence

Questão 42

Questão
The manner of collecting and reserving physical evidence at a crime scene is determined by:
Responda
  • The circumstances of the crime
  • The importance of the case
  • The number of evidence collectors present at the crime scene
  • The nature of the evidence

Questão 43

Questão
Physical evidence may be obtained from
Responda
  • The crime scene
  • The victim
  • The suspect
  • All of the above

Questão 44

Questão
All of the following ites may be placed in an airtight container EXCEPT:
Responda
  • Charred debris recovered from a fire
  • Blood-stained clothing
  • Glass
  • Hairs and fibers

Questão 45

Questão
The evidence collector is NOT concerned with
Responda
  • Maintaining the chain of custody
  • Utilizing the proper packaging material for evidence
  • Labeling evidence
  • Determining the natural variations that exist in physical evidence

Questão 46

Questão
The conditions at a crime scene can be compromised by all of the following action EXCEPT
Responda
  • Taking photographs at the crime scene
  • Eating food at the crime scene
  • Turning on a faucet on the crime scene
  • Smoking at the crime scene

Questão 47

Questão
The initial survey of the crime scene carried out by the lead investigator is called:
Responda
  • The spiral search
  • The initial survey
  • The walk-through
  • The crime scene search

Questão 48

Questão
Which crime scene search pattern does NOT require more than one invesigator
Responda
  • Wheel
  • Line
  • Grid
  • Zone

Questão 49

Questão
What is a disadvantage to the spiral search pattern
Responda
  • Evidence could be missed
  • It requires several investigators
  • It does not work for outdoors scenes
  • It is dependent on the boundaries of the scene

Questão 50

Questão
The center of the crime scene, which is always included within the crime scene's boundary, is:
Responda
  • The area where the first responder entered the scene
  • The area where the witnesses were located
  • The area where the command center will be located
  • The area where the crime occurred

Questão 51

Questão
Evidence commonly located during a vehicle search includes all of the following EXCEPT:
Responda
  • Questioned documents
  • Fibers
  • Paint evidence
  • Broken glass

Questão 52

Questão
To formulate a successful strategy for recovering relevant physical evidence at crime scenes, the investigator must ultimately rely on:
Responda
  • Reference material
  • Experience
  • Training
  • The lead investigator

Questão 53

Questão
The search pattern in which one or two investigators starts at the boundary at one end of the scene and walk straight across to the other side is:
Responda
  • Line
  • Grid
  • Quadrant
  • Wheel

Questão 54

Questão
The search pattern that employs two people performing line searches that originate from adjacent corners is:
Responda
  • Line
  • Grid
  • Spiral
  • Wheel

Questão 55

Questão
Which search pattern employs several people moving from the boundary straight toward the center of the scene (inward) or from the center straight to the boundary(outward)?
Responda
  • Quadrant
  • Grid
  • Spiral
  • Wheel

Questão 56

Questão
It is permissible for officers at the scene to:
Responda
  • Eat
  • Drink
  • Smoke
  • None of the above

Questão 57

Questão
Which search pattern is more reliant on the boundaries established?
Responda
  • Line
  • Spiral
  • Wheel
  • Quadrant

Questão 58

Questão
Officers should attempt to locate tool marks at the point of entry during the investigation of a:
Responda
  • Homicide
  • Burglary
  • Hit and run
  • Assault

Questão 59

Questão
The location of an item of evidence on a crime scene sketch is shown by its distance from points of reference that:
Responda
  • Are fixed or immovable
  • Are within ten feet of the item
  • Are located outside the boundaries of the crime scene
  • Can be transported to the crime laboratory

Questão 60

Questão
At an arson scene, the collection of a substrate control would require the arson investigator to:
Responda
  • Collect a sample from the center of a potential accelerate stain
  • Collect samples of surface material from areas far away from the fire's origin.
  • Collect a piece of the surface material near the fire's origin that he or she believes was not exposed to the accelerant
  • Collect a sample of the vapors at the fire origin

Questão 61

Questão
Success in the recognition and collection of physical evidence is determined primarily by the:
Responda
  • Notoriety of the case
  • Time available to the evidence collector
  • Skill of personnel processing the crime scene
  • Type of evidence involved

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