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Forensic Science Semester Exam Review Flashcards | StudBud
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Forensic Science Semester Exam Review
Forensic Science Semester Exam Review
50 terms
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StudBud Administration
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70 plays
This is a review for the material covered this semester.
Flashcards
50 cards
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Practice quiz
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Host live
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Questions
50
Answers
1
The standard method documenting impression evidence is:
Casting and Photography
Casting
Photography
Drawing
2
How is the superglue activated to reveal fingerprints?
mixed with hydrogen peroxide.
heated
cooled
nothing, the fumes do the work
3
how is EyeWitness Testimony used?
to help understand.
to communicate with people
to find out information about an event.
to help remember.
4
Which of the following is NOT a type of impression evidence?
shoe prints
bite marks
tire tracks
fingerprints
5
What are the types of fingerprints?
loop, whirl, arch
arch, loop, swirl
swirl, loop, arch, whirl
6
Which is a factor in the accuracy of eyewitness testimony?
Time of day
Attractiveness of suspect
All the above
Trauma/Shock
7
What is an eyewitness testimony?
an account of an event that has been witnessed
when a question leads to a desired answer
8
Fingerprints that are "hidden" and are not visible to the naked eye
Latent
Plastic
Patent
All of the above
9
The quality of the impression depends on the object making the impression such as:
Soil
Concrete
All the above
Mud
10
Ridge characteristics provide individualization for fingerprints.
True
False
11
what are the least common types of fingerprints?
whorls
arch
loops
12
Photography of physical evidence must include overviews as well as?
notes
Rough sketch
close ups
midrange
13
Bite marks are a surefire way to convict a criminal
false
true
14
Fingerprints that are 3D impressions
Patent fingerprints
Plastic fingerprints
Latent fungerprints
15
Most items of physical evidence retrieved at crime scenes
can be definitively linked to a single person of object
cannot be used in court due to not being accepted
can be used in court with little challenge to their science
Cannot be definitively linked to a single person or object
16
Locard's Exchange Principle states that...
for every action there is an equal and opposite reaction
what goes up must come down
an object in motion stays in motion
every contact leaves a trace
17
How are Lantent fingerprints formed?
Blood
ink
oils on your skin
moldable substance
18
What is Locard's Exchange principle?
When two objects collide
When evidence is passed a long throughout crime labs
none of the above
When two objects collide with each other
19
Physical evidence may include:
DNA
bullet casings
hair
blood spatter
20
What is eyewitness testimony?
what the evidence says
a person's explanation of crime
a scientist's interpretation of evidence
the story of what truly happened
21
Why do eyewitness accounts of a crime differ by person?
bad eyesight
different people interpret things differently
lack of knowledge in forensics
fear of lawsuits
22
What is Locard's exchange principle
There will always be hair left on a crime scene.
A criminal will leave evidence in a crime scene.
A principle that states if there has been a DNA transfer.
Yes
23
Fingerprints: Circumstantial evidence
Plastic
Visible
Latent
Arch
24
Define Testimony
Statement of where a suspect was at the time of acrime
Evidence of eyewitness accounts of an accident or crime
25
The FBI’s database used for storing fingerprints is:
IBIS
IAFIS
CODIS
USDA
26
Examples of impression evidence are
tool marks
tire tracks
bite marks
shoe prints
27
Marks left from a tool that leaves a telltale impression.
Tool Marks
Chromatography
Skid Marks
Trace Evidence
28
Can twins have the same fingerprints?
Yes
No
29
Tool marks can be classified two ways:
Foot prints and tool marks
Impressions and scratches
Impressions and Bite marks
Scratches and bite marks
30
All are examples of physical evidence except
footprints
fingerprints
tool marks
hair
31
What type of shoe print is a 3D print in the ground?
Latent
Patent
Molded
Plastic
32
what are the most common types of fingerprints?
loops
arch
whorls
33
Locard's principle of exchange implies all of the following except:
soil samples can be carried from your yard into your home
cat hair can be transferred to your pants
blood spatter can be used to identify blood type
fibers can be transferred from 1 person to another
34
What are the types of fingerprints found at a crime scene?
Visible, Latent, and Plastic
Visible & Latent
Latent & Plastic
Visible, Latent, & Impression
35
A tool mark impression...
can be individuated.
is class evidence.
cannot be entered into court as evidence.
36
What is so special about fingerprints?
All of them are the same
No two are alike
Nothing
37
Latent Fingerprints
prints that are visible to the human eye.
Prints that are invisible to the naked eye
38
What do Tool marks NOT depend on?
Sharpness of tool
When the tool was bought
Type of tool
The material being marked
39
Bite marks on skin are useful because they could
Give a timeframe on when person was bit
All of the above
provide DNA evidence in saliva
<p>Determine if bite mark was human or not</p>
40
What is an example of impression evidence?
Hair and fibres
DNA
Bite Marks
Blood
41
What percentage of wrongful conviction is based on eyewitness testimony?
30
10
50
75
42
Eyewitness testimony is some of the best evidence available in court.
True
False
43
What type of impression evidence is this?
bite marks
fingerprint
foot print
tool marks
44
Are you ready to begin your review?
Yes
Maybe
No
45
Chemical used to develop fingerprints that reacts with sodium chloride from perspiration.
silver nitrate
cyanoacrylate
iodine
ninhydrin
46
what is the difference between an impression and a print?
print is three-dimensional & impression is two-dimensional
prints are from fingers, impressions are from lips
impression is three-dimensional & print is two-dimensional
impressions are from fingers, prints are from lips
47
Patent Fingerprints
Prints that are invisible to the human eye.
prints that are visible to the human eye.
48
Why Are Fingerprints So Important?
allows records to be on file
All Of The above
Helps Identify People
Allows investigators to find criminals
49
Which is the best definition of eyewitness testimony?
Memories that last for weeks, months or even years
Our memories for people's names and faces
How people remember detail of events they have observed
Our ability to remembers such things as facts and figures
50
Eyewitness testimony can be negatively effected by which of the following?
A cognitive interview
Leading questions
Anxiety
Post-event discussion
