Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CCSI > CSI Certification > Flashcards

CSI Certification Flashcards

1
Q

Crime repression refers to

A

Active investigation and the identification of those responsible for the crime

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

T or F: Evidence can be defined as anything that tends to prove a fact in contention

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which is an example of an unpredictable effect:
The Haphazard opening of a revolver cylinder.
The smell of burnt gunpowder.
Insect activity at a death scene.

A

The Haphazard opening of a revolver cylinder.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

which is an example of a transitory effect ;
The presence of frozen ice cream in a bowl OR
Onset of livor mortis

A

The presence of frozen ice cream in a bowl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

T or F: A functional detail is one that manifest itself in the operating condition of items in the scene. An example of this is whether the door was locked at the time of a break in.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

T or F If a wax paper roll is discovered in the kitchen of an arson scene, it would not be necessary to evaluate its function since it is not unusual to find a wax paper roll in a kitchen

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

T or F: A checklist is useful when processing a scene and should always be followed step by step

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

T or F: Probable cause is the investigative standard

A

B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

T or F: Fingerprints found at a crime scene consists of 98% grease, oil, salts, and amino acids.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Wet bench serology testing results provides

Class characteristics or Individual characteristics?

A

Class characteristics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The structure of DNA was discovered in what timeframe:

1940s
1950s
1960s
1970s

A

1950s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The downfall of polymearse chain reaction (PCR) is:

The length of time to perform the test.
the resulting statistics.
the need for a large amount of un-degraded genetic material.

A

The resulting statistics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The downfall of STR is:

Contamination issue.
The length of time needed to perform the test.
The need for large amounts of genetic material.

A

Contamination issue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The difference between nuclear and mitochondrial DNA is:

The number of base pairs.
its structure.
All of the above.

A

All of the above! WOAH… ALL THE ABOOOOOOUUUUOOOOUOOOOVVVEE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The best test to perform on a hair with no root is

RFLP.
STR.
mDNA.
Microscopic examination

A

mDNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

T or F: Hair examinations routinely result in individualization’s.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

It has been determined that 50% of any transferred hairs or fibers are lost in the first 8 hours following the contact.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Evaluating the radial fractures present in the first concentric ring of glass fractures is used with

Sequence of force determination
direction of force determination

A

Direction of force determination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

T or F: Concentric fractures radiate out from a central point in the fracture

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

T or F: An important distinction between the atomic absorption analysis (AAA) and the scanning electron microscope (SEM) when examining gunshot residue is that AAA is able to detect singular particles that contain barium, antimony, and lead

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

T or F: Since the most important tool mark variations occur at the microscopic level, best practices dictate to cast the mark for analysis.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

T or F: The wheel base is measured from the outside of one thread to the outside of the opposite thread.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

conscious efforts to copy a known writing is referred to as:

Forgery
Known writings
Tracings
None of above

A

Tracings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

T of F: If an evidentiary computer is off it is suggested that a clean or unformatted form of media be placed into any open drive bays and then taping the bay shut

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

T or F: Emergency care is always the first order of business for the first responding offer.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

T or F: The officer should never ride in an ambulance with the victim due to the possibility of obstructing lifesaving effort

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

The initial responding officer should attempt to conduct responsibilities in the following order

A

Safety, lifesaving, scene control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

True or False: For an indoor scene, it is always sufficient to use the building itself as the initial perimeter

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

A significant group to consider in reference to entry when controlling the scene is

A

Other Police officers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

T or F: the purpose of a crime scene log is to have a list of who entered and when

A

Falseh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Documentation consists of the following elements: notes, sketches, photos, videos, and what else?

A

reports

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

T or F: Orientation issues are often significant because orientation of an item has the potential to change conclusions

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

In terms of using a wide angle lens, what is the most common form of distortion associated with this lens?

A

Barrel Distortion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

What is the most critical element to crime scene processing?

A

Documentation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

True or False: The wheel base is measured from the outside of one tread to the outside of the opposite tread

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Of this list which is the most discriminate characteristic of shoe mark evidence?

  • size
  • shape of sole
  • tread pattern
  • brand
A

Tread Pattern

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

What is the name of the scale used in bite mark photography

A

ABFO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

T or F: Tire and shoe marks can be both 2D and 3D

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Cartridge is to Casing as Shotgun Shell is to ___

A

Slug or Pellets

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

The action of a ___ lifts a single cartridge from the top of the magazine and inserts it into the barrel

A

Slide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

A firearm that is magazine-fed and each time the trigger is pulled a cartridge is fired and another is automatically inserted is referred to as…

A

Semi-Automatic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

the primer cap is struck by the firing pin strikes the ____ which ignites the primer compound which in turn ignites the gun powder

A

Primer cap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

T or F : shotguns have a series of lands and grooves to give a projectile spin

A

False. that is rifles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

a single complete unfired unit of ammunition is called

A

a cartridge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Another term for mechanical fit

A

fracture match

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

True or False: Emergency care is always the first order of business for the first responding officer

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

True or False: The first responder needs to be alert to sights, sounds, and smells because they can be transient

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Name a good example of transient evidence

A

the smell of smoke, the heat of a burning end of a cigarette/cigar, ice cream in a bowl, condensation on a glass, etc.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

What is the correct order that the responding officer should attempt to conduct scene responsibilities?

A

Safety, Lifesaving, scene control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q 
which needs to be considered when establishing the primary crime scene: 
A. Natural exit and entry points
B. Primary Focal Points
C. Secondary scenes 
D. A and C only 
E. All of the above
A

E. All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q 
Which significant group should you consider in reference to entry when controlling the scene. 
A. Media
B. Other police officers
C. EMS
D. All of the Above
E. None of the Above
A

B. Other police officers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

True or False: there are guide lines that dictate one correct way to handle all crime scenes

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

What is one characteristic that CSI’s must have because of scene variation

A

Flexibility

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

True or False: Documentation can be intrusive

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

What percent of hairs/trace evidence get lost when processing and after how long?

A

90% in 8hrs or less

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

If any evidence is discovered during an on scene examination of the body, it should be sent back to the ME office with the ME staff or Detectives ?

A

Detectives

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

what element of crime scene processing is done last?

A

evidence collection .. (or on-scene debrief)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

True or False: Once a crime scene sketch is completed, it is permissible to move evidence?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

True or False: Crime scene teams need to reassess the scene boundary even if it has already been defined by the first responding officer

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

True or False: The secondary perimeter tape is in place so that CSI can assert their dominance at a crime scene?

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

True or False: It is recommended that there be a written crime scene control log at every one of several perimeters

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

The approach to processing in which a single team handles all activities is called a ____ approach.

A

Area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

When designating functional teams, the photography team should consist of how many members? (minimum)

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

When designating functional teams, the sketch/measurement team should consist of how many members? (minimum)

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

What is the most important tool to a CSI

A

clean white light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

What search method uses the classic example of a typical vehicle search?

A

zone search

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

Which is the critical condition when conducting a spiral search?
A. Conducting it indoors or outdoors
B. Whether to move inwards or outwards
C. Managing the Pace
D. Too many individual performing the search at the same time
E. Investigators will get dizzy

A

C. Managing the Pace

68
Q

The search method during which the searcher is assigned to each lane and they all move simultaneously in the same direction is called…?

A

the line search technique

69
Q

The search method for which an area is divided into two sets of lanes that run at 90 degree angles to each other is called?

A

Grid Search

70
Q

The search method best suited for uneven terrain is ?

A

Line search

71
Q

the virus that can survive in dried blood at room temp for up to a week is ..?

A

Hep B

72
Q

True or False: Airborne dried blood particles produced when scraping samples are not of concern since they will not make direct contact with open skin?

A

False

73
Q

What is the Universal Precaution ?

A

Treat all blood and or body fluid(s) as if it is possibly infectious

74
Q

What does PPE stand for?

A

Personal Protective Equiptment

75
Q

What does PAB stand for?

A

Physically Altered Bloodstain

76
Q

True or False:Point to Point searching methods are heavily used in the US?

A

False

77
Q

True or False: Crime Scene Technicians can be their own sources of inhalation/chemical/fire hazards

A

True

78
Q

True or False: the basic actions necessary for documenting and processing a mass crime scene are significantly more complex than those for processing a more common scene.

A

False

79
Q

True or False: video and processing teams should enter the crime scene at the same time so they can be given advice as to what needs to be documented.

A

False

80
Q

True or False: The media, just like the police, also has a public service role

A

True

81
Q

Which of these options are most critical to the element of scene processing: documentation, observation, suspect apprehension, or reconstruction?

A

Documentation

82
Q

True or False: biohazards affect the integrity of evidence analysis

A

True

83
Q

Which doesn’t contain a nucleus? a Red Blood Cell or a White Blood Cell

A

Red Blood Cell

84
Q

What is another word for grooves? (ballistics)

A

Depressions

85
Q

What is another word for lands? (ballistics)

A

Projections

86
Q

RUVIS utilizes what part of the UV spectrum?

A

short wave UV

87
Q

RUVIS blocks out all light but what nm ?

A

UV/C - 254nm light

88
Q

True or False: the same camera can be used for IR and scene images?

A

False

89
Q

all facts at a crime scene should be treated _____

A

the same

90
Q

when using superglue, stop processing once the control print ____

A

first appears

91
Q

Griess Test test for the presence of what GSR component?

A

Nitrates

92
Q

what are the 3 zones of possibility?

A

Impossible, most probable, and awkward but possible

93
Q

where would the ME take the temperature measurements to check for Algor Mortis?

A

the Liver

94
Q

True or False: decomp first displays itself in and around the body openings?

A

False

95
Q

good photography starts with a ____ camera, according to Ross Gardner.

A

stable

96
Q

Which two of the following are normal on scene processing techniques: Ninhydrin, cyanoacrylate fuming, DFO, SPR, 1,2-indanedione

A

Cyanoacrylate and SPR

97
Q

True or False: North should always be pointing to the top of the paper when creating a sketch

A

False

98
Q

The type of sketch that gives horizontal views that is suited for the vast majority of crime scenes?

A

Bird’s eye view

99
Q

the type of sketch that illustrates the horizontal surfaces and lays down the vertical surfaces to depict evidence present on them?

A

Exploded sketch or Cross-Projected Sketch

100
Q

the best focus system for crime scene work that is typically available in many single lens reflex and digital cameras i called?

A

Split Image

101
Q

the type of sketch that has the ability to present crime scene information in a more REALISTIC perspective

A

3D sketch

102
Q

Which type of sketch is best used to depict a side view of some portion of the scene?

A

Elevation sketch

103
Q

the method best used for crime scenes with clear and specific boundaries (such as indoor scenes) in which items are measured at a 90 degree angle to the surrounding surfaces.

A

Rectangular coordinates

104
Q

In order to fix a regularly shaped item in a scene using triangulation a minimum of this number of straight line measurements from two distinct landmarks to two distinct points of the item is needed?

A

4 measurements

105
Q

In order to fix an irregular shaped item in a scene using triangulation a minimum of this number of straight line measurements from 2 distinct landmarks to 1 distinct points of the item is needed?

A

1 measurement

106
Q

what mapping method requires fixing of a datum point from which a line extends. Items are then placed along the line and that point is measured back to the datum point?

A

Polar coordinates

107
Q

This mapping technique is good for if evidence is significantly scattered over a large outdoor scene?

A

polar coordinates

108
Q

3 measurements needed for polar coordinates?

A

difference in elevation, the horizontal distance, and the horizontal angle

109
Q 
when using a total station, if multiple datum points are necessary, the system is moved and the datum point are tied to one another through a technique known as: 
A. datum point connector
B. Back view
C. Back Sight
D. Rear View
E. Rear Sight
A

C. Back sight

110
Q 
It is necessary to combine mapping methods in instances such as: 
A. gravesites
B. indoor homicide scenes
C. exterior scenes
D. A and B only
E. all of the above
A

E. all of the above

111
Q

true or false: if an investigative technique has a positive result, it is sufficient to make a note of it within the investigative notes?

A

False

112
Q

What is considered an investigators best evidence?

A

Notes

113
Q 
This section of the report identifies and describes aspects of the scene that are pertinent to the investigation. 
A. intro
B. conditions of the scene
C. environmental conditions
D. characteristics of the scene
A

B. conditions of the scene

114
Q 
This section of the report is intended to provide a general description of the scene and associated features of the scene and their relationship to the surrounding area. 
A. intro
B. conditions of the scene
C. environmental conditions
D. characteristics of the scene
A

D. characteristics of the scene

115
Q

T or F: on the electromagnetic spectrum, the lower the wavelength the lower the energy level?

A

False

116
Q

Which is the best sequence for processing techniques of examination of dry paper?
A. Ninhydrin, DFO, Physical Developer
B. DFO, silver nitrate, Physical developer
C. DFO, ninhydrin, silver nitrate
D. ninhydrin, DFOl, silver nitrate

A

C. DFO, ninhydrin, silver nitrate

117
Q

T or F: when processing human skin for latent fingerprints, skin dampness will negatively affect the adding machine paper process?

A

False

118
Q 
A method for examining blood prints on a scene is: 
A. luminol
B. LCV
C. SPR
D. Amido Black 
E. Both B and D 
F. All of the above
A

E. Both B and D

119
Q 
SPR can be used to process wet surfaces for prints.  it reacts with what component of the residue? 
A. Fats
B. Salts
C. Amino Acids
D. Magnesium
A

A. Fats

120
Q

the most effective way to visualize dust prints is by using _____.

A

oblique lighting (from a flashlight)

121
Q

T or F : rubberizing casting compounds are an effective way of recovering bite marks from human skin.

A

False

122
Q

True or False : when searching with ALS for fiber evidence set it to 485n m.

A

False

123
Q

True or False : dark hairs will likely fluoresce and can be detected with an ALS set to 530nm.

A

False

124
Q

a ____ wound is one that enters the body but does not make an exit.

A

Penetrating Wound

125
Q

a ___ wound is one that both enters and exits the body.

A

Perforating wound

126
Q

Sodium Rhodizonate tests for the presence of ____

A

Lead

127
Q

DTO tests for the presence of ____

A

Copper

128
Q

Acid Phosphate tests for the presence of ____

A

Semen

129
Q

Amalayse tests for the presence of ____

A

Spit

130
Q

When the temperature in a confined space reaches 1100 degrees F, nearly any ignitable surface in the room will begin burning. is referred to as

A

Flashover

131
Q

True or false: fire patterns are visible and measurable physical effects of fire on material in the scene

A

True

132
Q

nature of soot, color of smoke, and the color of flame are all indicators of

A

Arson

133
Q

T or F: the presence of multiple locations of low burn in a fire scene identifies the fire as arson

A

False

134
Q

T or F: when located, CSIs can lay out a proper skeletal configurations to visualize what still needs to be located

A

False (CSIs are not anthropologists)

135
Q

what entomological specimens is easiest to locate and collect? Flies, Beatles, larvae, or ants

A

Larvae

136
Q

the final step to crime scene processing is ____.

A

Analysis

137
Q 
Per Gardner, this person is perhaps the first investigative author to set out a specific crime scene analysis methodology. 
A. Hans Gross
B. Paul Kirk
C. Luke May
D. Edward Heinrich
A

D. Edward Heinrich

138
Q

Constructing event analysis requires concentration on testimonial evidence or physical evidence?

A

Physical

139
Q

T or F: relative chronology makes no association about time

A

True

140
Q

What are the 3 pre-fixes associated with event chronology?

A

Ante, Peri, and Post

141
Q

T or F: Risk management needs to be taken immediately upon arrival at the scene.

A

False

142
Q

T or F: it is with frontline field personnel that risk management always fails

A

False

143
Q

T or F: with entomological evidence, half of the sample is preserved in the condition as found and half is kept alive in order to mature

A

True

144
Q

The basis of crime scene reconstruction is this multi-step process.

A

the scientific method

145
Q

most crime scene photography can be taken with a ___mm lens.

A

50

146
Q

Who introduced an arbitrary point system (which is no longer used in the US) for fingerprint comparisons since 1973

A

Edmund Locard

147
Q

Who is credited with the first forensics lab in the US

A

Edumund Locard

148
Q

Who is credited with thickening Luminol with xantum gum

A

Cheeman

149
Q

The first reporting of DNA was in ____. Before Watson and rick later discovered it in 1950.

A

1868

150
Q

the use of which Polyester/Dracon or cotton swabs is suggested for typical DNA source collection (eg. blood, saliva, semen)

A

Polyester/Dracon it holds up much better and doesn’t leave strands and there is no electrical charge associated with it.

151
Q

hair/trace analysis is often times for class or individualizing characteristics?

A

class

152
Q

T or F : taped trace evidence that is collected using tape lifts should be placed onto a clear plastic backing so that examiners can conduct a visual examination

A

True

153
Q

fracture match can provide _____ characteristics.

A

individualizing

154
Q

T or Fa: for paint chips/transfers: the technician should cut beneath the transfer in order to get the full thickness.

A

True

155
Q

how much soil should be collected as a sample?

A

1/2 to 1 cup is suggested for analysis

156
Q

T or F: for GSR , SEM analysis seeks to find fused particles of lead, antimony, and barium.

A

True

157
Q

cartridges can be either ____ fire or ____ fire.

A

center, rim

158
Q

3 general categories of firearms

A

handguns, rifles, shotguns

159
Q

Firearms analysis in any crime lab begins with _________________.

A

an operational check

160
Q

T or F: Pellets and Smooth bore weapons do not hold individualizing characteristics

A

True

161
Q

T or F: slugs and shot cups MAY hold potential for comparison

A

True

162
Q

name 3 markings that can give individualizing characteristics for firearms.

A

breech-face marks, firing pin impressions, and ejector marks

163
Q 
tools with opposing jaws create \_\_\_ marks. 
A. compression,
B. striation 
C. drill 
D. saw
A

A. Compression

164
Q

True or False: tracings can be identified to the writer

A

False

165
Q

indented writing is most often detected by :

  • ESDA
  • GCMS
  • FTIR
  • ALS
A

ESDA : electro static detection apparatus

CCSI (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions