Brainscape's Knowledge GenomeTM

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


See full index

Jackie - IDENT Exam Prep > Fingerprint Analysis > Flashcards

Fingerprint Analysis Flashcards

1
Q

This type of powder has been shown to be more sensitive than others, but also tends to adhere to both the fingerprint secretions AND the substrate.

A

Metallic Powder

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

Metallic powders are best suited to what type of substrate?

A

non-porous, smooth substrates

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

According to
The Fingerprint Sourcebook, who first documented the use of fingerprint powders?

A

Forgeot

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

The most important element in the case of fingerprint powder is minimizing what?

A

moisture

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

The most important complimentary features of fingerprint powder are what?

A

Contrast and Adhesion

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

This person is credited with being the first European to recognize the value of friction ridge prints and suggested they could assist in personal identification.

A

Sir William J. Herschel

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

Who was responsible for the acceptance of the use of fingerprints for personal identification?

A

Francis Galton

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

This person created the first classification system for fingerprints introduced into Europe.

A

Edward Henry

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

Who was the first Canadian trained in fingerprinting?

A

Edward Foster

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

This person described embryonic development of volar pads.

A

Inez Whipple

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

Who demonstrated that friction ridge skin is unique and never repeated in nature?

A

Harris Hawthorne Wilder

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

‘Anthropometry’ is an identification system also known as what?

A

Bertionage

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

Second level details refers to what?

A

Major ridge path deviations

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

Sebaceous glands produce what?

A

Lipids

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

Eccrine sweat contains 99% water and 0.5-1% of what?

A

1/3 inorganic salts and 2/3 organic compounds

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

Abnormal ridges (that don’t conform to the usual fingerprint patterns) may be caused by what?

A

Dissociation or Dysplasia

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

A primary ridge consists of ridge units fused together. Each ridge unit consists of what?

A

A sweat pore and sweat gland

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

What is in an incipient ridge?

A

A primary ridge that stopped growing at the time of differentiation

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

What method is used to identify a person using fingerprints?

A

ACE-V (analysis, comparison, evaluation, verification)

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

When speaking of friction ridge analysis, what is the matrix referring to?

A

The actual substance deposited by the friction ridges

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

Imbrication is a feature where friction ridges all tend to do what?

A

Lean in the same direction

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

What is the outer layer of the skin called?

A

Epidermis

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

The epidermis is made up of several layers of skin cells. These various layers can be divided into two groups. The inner layer is called the ______ stratum and the outer layer is called the _______ stratum.

A

Malpighi stratum and Corneum Stratum

24
Q

The inner later of friction ridge skin is called the what?

A

Dermis

25
Q

Injury or disease that penetrates the skin to the dermal papillae level can damage which epidermal layer?

A

The basal layer (generating layer)

26
Q

The first noticeable development of friction ridge skin on the volar surfaces takes place at about how many weeks gestation?

A

12-13 weeks

27
Q

The comparison of relative pore locations is called what?

A

Poroscopy

28
Q

Friction ridges flow in concert with one another. When a ridge ends, the two adjacent ridges do what?

A

Flow together to fill the void

29
Q

The first step in fingerprint analysis is ______.

A

examine print for clarity

30
Q

Fingerprint comparison is always done from what to what?
A. unknown to known
B. known to unknown

A

unknown to known

31
Q

What is meant by fingerprint evaluation?

A

Determining agreement (or lack of agreement) of three levels of detail

32
Q

Determining whether a print can be included or excluded is done during what part of ACE-V?

A

evaluation

33
Q

The matrix of friction ridge impressions could include?
a) secretion glands
b) amino acids
c) plastic salts
d) sebaceous and apocrine glands

A

amino acids

34
Q

Organic substances that are part of the matrix of friction ridge secretions include:
a) chlorine
b) gastric acids
c) amino acids
d) hyalin secretions

A

amino acids

35
Q

Name the five layers of the epidermis, from the top to the bottom.

A

horny, hyalin, granular, spinous, basal

36
Q

Lacroix, Wolfe-Quenotm, and Haffen stated that friction ridges form in the fetus hand at how many weeks gestation?

A

13 weeks and onward

37
Q

How is friction ridge identification established?

A

Through the agreement of friction ridge formations, in sequence, having sufficient uniqueness to individualize

38
Q

What are the four premises of friction ridge identification?

A
  1. Unique
  2. Persistent
  3. Formed in utero
  4. Can be classified
39
Q

A fingerprint impression with narrow furrows indicates what?

A

heavy deposition pressure

40
Q

Which of the following is NOT a characteristics of a “double tap”?
a) misaligned ridges
b) cross over ridges
c) flattened ridges
d) ‘V’ at the top of the impression

A

c) flattened ridges

41
Q

Can scars be used for identification purposes?

A

YES

42
Q

A radial loop is found 85% on the time on what digit?

A

Index finger

43
Q

When developing fingerprints with Indanedione, you excite the developed impression with a green light. What colour barrier filter would you start with to view the fluorescence?
a) green
b) orange
c) blue
d) yellow

A

b) Orange

44
Q

Iodine developed prints can be accelerated to reveal themselves on the silver plate by applying:
a) 532nm laser
b) 720nm light
c) 580nm light
d) bright white light

A

d) bright white light

45
Q

A good procedure to recover latent prints on a dusty surface is:
a) cyanoacrylate followed by fingerprint powder
b) magnetic fingerprint powder
c) standard fingerprint powder
d) lighting and photography

A

d) lighting and photography

46
Q

This method has been suggested for the visualization and recovery of latent fingerprints on human skin.
a) iodine - silver plate
b) tape glo
c) Ninhydrin
d) DFO

A

a) iodine - silver plate

47
Q

An effective procedure for the development of bloody fingerprints is:
a) laser with yellow filter
b) leach crystal violet (LCV)
c) Rodamine 6G
d) iodine/ silver plate

A

b) Leuco Crystal Violet

48
Q

The primary reason to fingerprint cadavers is what?

A

Identify/ verify the identity of the deceased

49
Q

Why are several amino acid reagents used in the sequence to examine porous surfaces for fingerprints?
a) Not all amino acid reagents react with all the amino acids that are found in eccrine sweat
b) the volume of eccrine sweat on the substrate is too much for one chemical to handle
c) any sebaceous materials on the substrate can interfere with one of the chemicals
d) one of the reagents may not have been mixed properly and you want to increase your odds of detecting prints

A

a) not all amino acid reagents react with the amino acids found in eccrine sweat

50
Q

What must be included on fingerprint labels?
a) date, time of lift, badge #
b) R#, Ident officers initials, date, up arrow
c) R#, ambient temperature, address of service
d) R#, arrow, and police service

A

b) R#, Ident officers initials, the date, up arrow

51
Q

What is the best method of documenting the various stages of chemical development of impressions?

A

Photography

52
Q

Before applying any chemical techniques for developing latent prints suspected to be comprised of blood, the prints should be:
a) first examined with forensic light sources
b) glue fumed
c) refrigerated or frozen to fix them into place
d) treated with powders

A

a) examined with FLS

53
Q

Marcello Malpighi contributed what to friction ridge science?
a) described and illustrated pores
b) described several layers of the epidermis
c) described the elasticity of friction skin
d) proved persistency

A

b) described several layers of the epidermis

54
Q

Michio Okajima conducted research on what?

A

Incipient ridges

55
Q

Who conducted persistency tests on his own palm prints between 1860 and 1890?

A

William Herschel

Jackie - IDENT Exam Prep (1 decks)

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