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Forensic Science Fall Final Exam Review

Total questions: 75

Worksheet time: 56mins

Name
Class
Date
1.
What cuticle pattern is shown?
a)
imbricate
b)
spinous
c)
coronal
2.
The central core of the hair is called the...?
a)
Medulla
b)
Cuticle
c)
Cortex
d)
Shaft
3.

Hair with a flattened cross section, clumped densely distributed pigment granules and a small to moderate diameter is classified as...?

a)

Asian

b)

African

c)

European

4.

A sample of hair was found without a root. The hair analysis may be used to determine all of the following except:

a)

manner in which the hair was removed

b)

body region from which the hair came from

c)

broad racial background of the individual from which the hair came from

d)

identity of the individual from which the hair came from

5.

Identify the type of cuticle labelled as B commonly found in rodents and bats

a)

imbricate

b)

spinous

c)

coronal

d)

elongate

6.

We know hair is from a human if…

a)

The medullary index is 0.5 or greater

b)

The medullary index is 0.33 or less

c)

The cuticle is coronal

d)

The medulla is cellular

7.
The hair shaft is composed of what important protein?
a)
Cellulose 
b)
Chitin
c)
Peptidoglycan
d)
Keratin
8.
The following medulla pattern is called
a)
fragmented 
b)
continuous
c)
interrupted
9.

What cuticle pattern is shown?

a)

imbricate

b)

spinous

c)

coronal

10.
What type of medulla is shown?
a)
uniserial
b)
multiserial
c)
lattice
d)
fragmented
11.

In order to determine if a hair is from an animal or human, one should divide the diameter of the...

a)

medulla by the entire hair

b)

medulla by the cuticle

c)

cortex by the medulla

d)

cortex by the entire hair

12.
The tough clear outside covering of a hair shaft is
a)
cuticle
b)
cortex
c)
medulla
d)
polymer
13.

B

a)

Cuticle

b)

Hair Follicle

c)

medulla

d)

Cortex

14.
Human or nonhuman hair?
a)
human 
b)
nonhuman
15.
The medullary index of a hair is 0.29.  Human or non-human?
a)
human
b)
non-human
c)
cannot be determined
16.
Diameter of the medulla is 0.2 and diameter of the hair is 0.4.  What is the medullary index?
a)
2.5
b)
0.5
c)
0.1
d)
cannot be determined
17.
A suspect sat on a couch and picked up dog hair from a friend's house.  He then attacked his victim and one of the dog hair fibers was  transferred during the attack.  What type of transfer is on the victim?
a)
primary
b)
secondary
c)
tertiary
18.

What must be present in a hair sample to obtain nuclear DNA?

a)

keratin

b)

cortex over 0.3

c)

healthy cuticle

d)

follicular tag

19.

The following information can be determined from hair analysis EXCEPT-

a)

ancestry

b)

maternal lineage

c)

toxins/drugs

d)

age

20.

Identify the type of medulla.

a)

Solid

b)

Interrupted

c)

Fragmented

d)

Double

21.

A sample of hair was found at a crime scene. The hair is black in color, with a thick cuticle, dense pigment and continuous medulla. On cross section, it is round with a large diameter. This hair sample belongs to a person of ________ descent.

a)

European

b)

Asian

c)

African

22.

Natural fibers can be harvested from

a)

plants and animals

b)

only from plants

c)

only from animals

d)

plants, animals, and minerals

23.

All of the following are characteristics of a synthetic fiber except

a)

They are formed by combining monomer compounds into polymer molecules.

b)

They are man-made.

c)

They are used in the production of carpet fibers.

d)

They do not contain any natural fibers.

24.

What is Loccard's Exchange Principle?

a)

Perpetrators always leave evidence behind.

b)

Every contact leaves a trace.

c)

All animals leave evidence.

d)

Long, violent confrontations leave evidence.

25.

Fiber does NOT fall into what type of evidence?

a)

Individual

b)

Class

c)

Trace

d)

Circumstantial

26.

Which of the following is a manufactured fiber?

a)

Rayon

b)

Polyester

c)

Acrylic

d)

All of these choices are manufactured

27.

Fiber evidence is gathered with

a)

vacuums

b)

tape or lint roller

c)

forceps

d)

all choices are correct

28.

Identify the weave pattern for A

a)

silk

b)

twill

c)

basket

d)

plain

29.

Identify the weave pattern (2 wefts over 2 warps and under 2 warps)

a)

plain

b)

basket

c)

twill

d)

satin

30.

Which weave pattern has 1 weft going over 1 warp and under 1 warp?

a)

plain

b)

twill

c)

satin

d)

basket

31.

Fiber evidence is

a)

indirect

b)

direct

32.

Plant fibers are made of

a)

cellulose

b)

petroleum

c)

polyester

d)

keratin

33.

Synthetic fibers are made from-

a)

cellulose

b)

petroleum

c)

wool

d)

cotton

34.

Identify the weave pattern.

a)

twill

b)

basket

c)

plain

d)

weave

35.

Identify the weave pattern.

a)

weave

b)

twill

c)

basket

d)

plain

36.

This fiber does not have uniform edges and is twisted in appearance. What does this tell us about the fiber?

a)

It is manufactured.

b)

It is natural.

c)

It is regenerated.

d)

It is made from petroleum products.

37.

Which of the following observations are used during a BURN TEST to help identify a specific fiber?

a)

smell of the burned fiber

b)

on contact with the flame, does the fiber coil or melt?

c)

color and structure of the residue left after the fiber burns

d)

all of choices mentioned

38.

Fibers are an excellent source of trace evidence because

a)

They are easily transferred from victim to suspect.

b)

They are often overlooked by a suspect.

c)

They can be easily collected and stored.

d)

All of the above.

39.
In a burn test, these fibers will often shrink back away from the flame.
a)
Synthetic
b)
Natural
40.
Fiber evidence is gathered with 
a)
vacuums
b)
tape or lint roller
c)
forceps
d)
all choices correct
41.

What occurs to natural fibers like plant and animal material during a burn test?

a)

They melt into a solid substance

b)

They produce ash

c)

They do not ignite

d)

The produce a red residue

42.

Identify the fiber

a)

This fiber has imperfect edges because it is a natural fiber. This is an animal fiber from hair.

b)

This fiber has smooth and uniform edges because it is a manufactured fiber. This fiber is a regenerated fiber, meaning that it is made from modified natural fibers. It is almost transparent in color and consistent throughout.

c)

This fiber has imperfect edges because it is a natural fiber. This is a plant fiber from a seed.

d)

This fiber has smooth and uniform edges because it is a manufactured fiber. This fiber is synthetic because it is manufactured from petroleum products.

43.
What pattern is this?
a)
Loop
b)
Arch
c)
Whorl
44.
What pattern is this?
a)
Loop
b)
Arch
c)
Whorl
45.
What pattern is this?
a)
Loop
b)
Arch
c)
Whorl
46.
The area indicated by "A" in the diagram is known as a(n)
a)
Core
b)
Delta
c)
Whorl
d)
Arch
47.
When are fingerprints formed?
a)
When you are a teenager
b)
During fetal development
c)
By the time you are two years old
d)
At birth
48.

Type of fingerprint that is left by a person with soiled or stained fingertips

a)

plastic

b)

patent

c)

latent

49.
A fingerprint is considered individual evidence.
a)
False
b)
True
50.

Which type of fingerprint cannot be seen the naked eye?

a)

patent fingerprint

b)

latent fingerprint

c)

plastic fingerprint

51.
What pattern is this?
a)
Loop
b)
Arch
c)
Whorl
52.

What type of fingerprint is this? It is made in a soft medium.

a)

plastic

b)

patent

c)

latent

53.
Do two people ever have the same fingerprints?
a)
yes
b)
no
54.
AFIS is a ___.
a)
method used to determine age of a latent print
b)
computerized system to analyze hair
c)
way to identify drugs
d)
system for storing/retrieving fingerprint records
55.

What pattern is this? (Right hand)

a)

Ulnar Loop

b)

Radial Loop

c)

Plain Whorl

d)

Tented Arch

56.

What pattern is this? (Left Hand)

a)

Radial Loop

b)

Ulnar Loop

c)

Plain Whorl

d)

Plain Arch

57.

What type of fingerprint is this?

a)

Central Pocket Whorl

b)

Plain Whorl

c)

Accidental Whorl

d)

Double Loop Whorl

58.

What type of fingerprint is this?

a)

Central Pocket Whorl

b)

Plain Whorl

c)

Accidental Whorl

d)

Double Loop Whorl

59.

What type of fingerprint is this?

a)

Plain Arch

b)

Tented Arch

c)

Accidental Whorl

d)

Radial Loop

60.

What type of fingerprint is this?

a)

Central Pocket Whorl

b)

Ulnar Loop

c)

Accidental Whorl

d)

Double Loop Whorl

61.

What is the name of this minutiae?

a)

Bifurcation

b)

Splitting Ridge

c)

Delta

d)

Y

62.

What is the name of this minutiae?

a)

Enclosure/Eye

b)

Island

c)

Dot

d)

Bifurcation

63.

What is the name of this minutiae?

a)

Ending Ridge

b)

Spur

c)

Half-Ridge

d)

Partial Ridge

64.

What is the name of this minutiae?

a)

Bridge

b)

Junction

c)

Connector

d)

Zigzag

65.

What is the name of this minutiae?

a)

Island

b)

Speck

c)

Dash

d)

Hyphen

66.

What is the name of this minutiae?

a)

Spur

b)

Hanging Ridge

c)

Overhang

d)

Mini-fork

67.

What is the most common type of fingerprint? (65%)

a)

Arch

b)

Loop

c)

Whorl

68.

What are the red triangles?

a)

deltas

b)

useless

c)

forks

d)

loops

69.

identification based on the size and shape of body parts

a)

anthropometry

b)

anthropomorphism

c)

archepelago

d)

forensic archaeology

70.
Published Finger Prints about the uniqueness and classification of prints
a)
Mathieu Orfila
b)
Leone Lattes
c)
Francis Galton
d)
Arthur Conan Doyle
71.

Arches have no deltas or cores.

a)

True

b)

False

72.
Which fingerprint type is used to calculate the primary grouping ratio using the Henry Classification system?
a)
arch
b)
whorl
c)
loop
d)
none of these
73.
How many different primary grouping ratios are possible using the Henry Classification System?
a)
3
b)
4
c)
1,240,000
d)
1,024
74.

Given the following:

An individual has a fingerprint record with a LWAALALWLA pattern series (the series begins with Finger 1, the right thumb, and ending with Finger 10, the left pinky). What is the primary grouping ratio of the individual?

a)

10/1

b)

19/1

c)

21/1

d)

28/1

75.

a person with whorls on the right middle finger (#3), the left little finger (#10) and the left index finger (#7) would have the primary classification of

a)

17/1

b)

2/11

c)

23/1

d)

1/23

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