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Crime Scene > Module 3 > Flashcards

Module 3 Flashcards

1
Q

Fingerprints begin to develop immediately after birth.

A

False

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2
Q

Fingerprints are a reproduction of friction skin ridges found on the palm side of the fingers.

A

True

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3
Q

Fingerprints are a reproduction of friction skin ridges found on the palm side of the fingers.

A
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4
Q

The four types of fingerprints are visible, plastic, latent, and transient.

A

False

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5
Q

The main ingredients of a fingerprint are perspiration and oils.

A

True

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6
Q

Fingerprints should not be photographed until all steps in the preservation process have been completed.

A

False

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7
Q

When taking fingerprints of a deceased person, the use of a “dead man’s spoon” is often employed.

A

True

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8
Q

All fingerprints are divided into three classes of general patterns. They are:

a) loops, deltas, and betas

b) radial, loops, and arches

c) whorls, loops, and arches

d) arches, deltas, and loops

A

c) whorls, loops, and arches

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9
Q

The most common fingerprint pattern is

a) whorl

b) arch

c) loop

d) none of the above

A

c) loop

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10
Q

Fingerprints are mostly comprised of

a) oils

b) organic substances

c) water

d) inorganic substances

A

c) water

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11
Q

Which of the following statements is true about palmprints?

a) Since the discovery of DNA, palmprints are never used for identification.

b) Palmprints are often used for identification; however, there is not extensive database for the maintenance of the files.

c) Palmprints are gathered when processing individuals arrested for routine criminal charges and are maintained in the extensive database by the FBI.

d) Palmprints are often used for identification and are maintained in an extensive database.

A

b) Palmprints are often used for identification; however, there is not extensive database for the maintenance of the files.

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12
Q

The four types of fingerprints are

a) visible, dry, latent, and plastic

b) latent, inked, plastic, and wet

c) wet, plastic, moulded, and latent

d) latent, plastic, wet, and visible

A

d) latent, plastic, wet, and visible

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13
Q

The main reason for fingerprint cards to be rejected is

a) failure to fully roll the “bulb” of each finger

b) failure to fully photograph the fingerprint

c) failure to take fingerprints in the proper sequence

d) failure to properly identify the person being fingerprinted

A

a) failure to fully roll the “bulb” of each finger

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14
Q

Plain or flat impressions are used to

a) verify the ridges of the rolled fingerprint

b) verify the grooves of the rolled

c) verify the proper sequence of the fingerprints

d) none of the above

A

c) verify the proper sequence of the fingerprints

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15
Q

Which statement is NOT associated with the use of a dead man’s spoon:

a) A dead man’s spoon is used when taking “inked” fingerprints.

b) A dead man’s spoon is used for lifting latent fingerprints.

c) A dead man’s spoon is used with a fingerprint card that has been cut into strips.

d) A dead man’s spoon is used when obtaining “rolled” fingerprint impressions.

A

b) A dead man’s spoon is used for lifting latent fingerprints.

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16
Q

Which statement is true concerning fingerprints?

a) All individuals except identical twins have different fingerprints.

b) All individuals have different fingerprints.

c) All individuals except fraternal twins have different fingerprints.

d) None of the above

A

b) All individuals have different fingerprints.

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17
Q

When documenting the scene of an accident, a CSI must take photographs that accurately depict the driver’s point of view.

A

True

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18
Q

Paint primer layers are often analyzed to assist in the determination of the original vehicle color.

A

True

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19
Q

It is often possible to determine whether breaks in light bulb filaments occurred when the light was off or was activated at the time of the crash.

A

True

20
Q

The FBI maintains the National Automotive Paint File, which is a database of paints related to all makes, models, and manufacture year of automobiles.

A

True

21
Q

When possible, paint chips should be collected using disposable forceps and scalpels.

A

True

22
Q

According to the text, when documenting the scene of a motor vehicle crash, the CSI must take photographs that accurately depict

a) the driver’s point of view

b) the witnesses’ points of view

c) the passengers’ points of view

d) all of the above

A

d) all of the above

23
Q

When photographing a vehicle crash scene and after determining the correct height of the camera, a tripod should be used to span

a) 180 degrees

b) 270 degrees

c) 360 degrees

d) 90 degrees

A

c) 360 degrees

24
Q

Skid marks made by a vehicle can be used to determine

a) speed and distance

b) speed

c) distance

d) none of the above

A

a) speed and distance

25
Q

The layer of paint that can be used to determine the original color of a vehicle is the

a) clear-coat layer

b) primer layer

c) undercoat layer

d) pigment layer

A

b) primer layer

26
Q

The government agency that maintains a database of paints is the

a) ATF

b) INS

c) DEA

d) FBI

A

d) FBI

27
Q

Evidence that may be created by a vehicle striking a person or object is called

a) pattern evidence

b) imprint evidence

c) transfer evidence

d) impact evidence

A

a) pattern evidence

28
Q

According to the text, when collecting paint chips or fragments, the CSI should use

a) latex gloves

b) latex gloves covered with cotton gloves

c) disposable forceps and scalpels

d) a pocket knife

A

c) disposable forceps and scalpels

29
Q

Paint chips and fragments should be secured in

a) brown paper

b) a soft container

c) paper and a rigid container

d) plastic bags and a rigid container

A

c) paper and a rigid container

30
Q

According to the text, when collecting a control sample of glass, ______ is sufficient

a) 1 square inch

b) 1.5n square inches

c) 2 square inches

d) 3 square inches

A

a) 1 square inch

31
Q

A comparison sample is also called a control sample.

A

True

32
Q

When gathering control samples, 50 full lengths of hair should be cut from the head along with 24 hairs from the pubic region.

A

False

33
Q

Human hairs can reveal an individual’s race.

A

True

34
Q

Scientific analysis can positively match a fiber strand to a garment.

A

False

35
Q

The two kinds of physical evidence are class evidence and individual evidence.

A

Ture

36
Q

Which statement is NOT part of Locard’s theory of exchange:

a) Traces of the victim and the scene will be carried away by the perpetrator.

b) Traces of only the victim will be found at the scene.

c) Traces of the perpetrator will be left at the scene.

d) Traces of the perpetrator will remain on the victim, and the victim may leave traces of himself or herself on the perpetrator.

A

b) Traces of only the victim will be found at the scene.

37
Q

In addition to collecting a comparison sample, what addition samples should be collected?

a) unique

b) physical

c) control

d) microscopic

A

c) control

38
Q

According to the text, human hairs can reveal

a) color of hair

b) blood type

c) age

d) all of the above

A

a) color of hair

39
Q

When gathering control samples for the laboratory, how many hairs should you collect from the head and pubic area?

a) 40 from the head and 25 from the pubic area

b) 50 from the head and 30 from the pubic area

c) 60 from the head and 24 from the pubic area

d) 50 from the head and 24 from the pubic area

A

d) 50 from the head and 24 from the pubic area

40
Q

The most prevalent plant fiber is

a) cotton

b) bamboo

c) hemp

d) rattan

A

a) cotton

41
Q

The two broad groups of fibers are

a) cotton and wildflower

b) manmade and natural

c) synthetic and cotton

d) none of the above

A

b) manmade and natural

42
Q

Generally, glass fragment examination yields what kind of characteristics?

a) general

b) class

c) individual

d) unique

A

b) class

43
Q

Determining the direction and force of an impact on window glass can be accomplished by examining the _________ surrounding the hole.

a) diameter

b) thickness of the glass

c) fracture patterns

d) extent of breakage

A

c) fracture patterns

44
Q

A pattern that encircles the hole or point of impact would be a _________ pattern.

a) concentric

b) radial

c) whorl

d) unique

A

a) concentric

45
Q

The agency that maintains a database that contains the density and refractive indices and elemental analyses for glass is the

a) ATF

b) FBI

c) Association of Professional Glaziers

d) Product Safety Commission

A

b) FBI

46
Q
A

Crime Scene (4 decks)

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