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Forensics: Semester One Final Review

Total questions: 75

Worksheet time: 38mins

Name
Class
Date
1.

Where would insects first colonize on a body?

a)

knife wound in the stomach

b)

leg

c)

mouth

d)

both the knife wound and the mouth

2.

What type of fingerprint pattern is this?

a)

Central Pocket Whorl

b)

Loop

c)

Arch

d)

Plain Whorl

3.

Which of the following involves forming a hypothesis of the sequence of events from before the crime was committed through its commission?

a)

Locard's principle

b)

crime scene investigation

c)

crime scene reconstruction

d)

trace evidence

4.

What would be the first step to recovering shoe impression evidence?

a)

dusting the print

b)

lifting the print

c)

photographing the print

d)

casting the impression

5.

Dr. Neal Haskell found there is ____ difference between a decaying pig and a decaying human in terms of its rate of decomposition

a)

slight

b)

no

c)

major

d)

very different

6.

Prints that you cannot see are called

a)

latent

b)

patent

c)

plastic

d)

hidden

7.

Odorous gases emitted from a corpse are caused by

a)

flies

b)

beetles

c)

bacteria

d)

maggots

8.

Which flies would be first to be identified in the lab to determine the maximum ADD?

a)

it doesn't matter

b)

oldest

c)

youngest

9.

Select all of the following that bugs can tell us about a body (select all that apply)

a)

location

b)

age of the victim

c)

location of injuries on the body

d)

how long the body has been there

10.

When drawing evidence into a crime scene, it is important to measure the item or body from ___ _____ points.

a)

one, movable

b)

two, movable

c)

one, immovable

d)

two, immovable

11.

Which of the following can be determined by shoe impression evidence?

a)

gait or walking habits

b)

walking vs. running

c)

injury or limp

d)

all of these are correct

12.

Fingerprint pattern in which ridges enter and leave on the same side of the finger

a)

plain arch

b)

radial arch

c)

loop

d)

whorl

13.
Physical evidence that is found in small but measurable amounts
a)
trace
b)
impression
c)
testimonial
d)
accomplice
14.

Fingerprint pattern in which ridges on one side of the finger and leave on the other and has no delta.

a)

loop

b)

plain whorl

c)

arch

d)

central pocket whorl

15.
The outside layer of a piece of hair
a)
medulla
b)
cortex
c)
cuticle
d)
root
16.
Hair is considered:
a)
secondary evidence.
b)
tertiary evidence.
c)
class evidence.
d)
individual evidence.
17.

If someone implicates themselves in a crime through a confession, this would be considered ___ evidence

a)

trace

b)

direct

c)

circumstantial

d)

biological

18.

The only scale pattern the cuticle of a human hair can have is ___

a)

spinous

b)

imbricate

c)

coronal

d)

it can have any of these

19.

What does the acronym AFIS stand for?

a)

Automated Fingerprint Index System

b)

Automated Fingerprint Identification System

c)

Automatic Fingerprint Index System

d)

Agency for Fingerprint ID and Storage

20.

This is a ridge pattern that has a central spiral, oval or variant of a circle.

a)

Loop

b)

Whorl

c)

Arch

d)

Central Pocket Whorl

21.

What type of print does the Henry Classification System care about?

a)

Arches

b)

Plain Whorls only

c)

Whorls

d)

Loops

22.

How can you tell a radial loop from an ulnar loop?

a)

The radial loop forms an "R" while the ulnar loop forms an "U"

b)

Radial loops are larger

c)

Radial is on the left hand while ulnar is on the right hand

d)

The direction of the loop opening

23.

Which of the following is true of inking someone's fingerprints?

a)

Fingers are rolled laterally and thumbs are rolled medially.

b)

Fingers are rolled medially and thumbs are rolled laterally.

c)

An individual is always responsible for inking their own.

d)

Inked prints are never entered into the database.

24.

All of the following are whorl patterns except:

a)

Tented

b)

Double Loop

c)

Accidental

d)

Central Pocket

25.

What type of fingerprint pattern has no delta?

a)

Arches

b)

Accidentals

c)

Loops

d)

Whorls

26.

What does the time between death and discovery called PMI stand for?

a)

pre mortem interval

b)

post memory interval

c)

post murder interval

d)

post mortem interval

27.

What is an important factor that affects insect development?

a)

moisture

b)

pressure

c)

temperature

d)

barometer

28.

Blowflies undergo a process called _____ metamorphosis in their life cycle

a)

indirect

b)

direct

c)

complete

d)

incomplete

29.

When collecting insect evidence, which of the following is important for documentation?

a)

body temperature

b)

ambient temperature

c)

soil temperature

d)

all of these are important

30.
When being compared to a wooden pencil, which part of hair represents the lead?
a)
medulla
b)
cortex
c)
cuticle
d)
follicular tag
31.
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 fragmented
32.

Hair and fibers are considered what kind of evidence?

a)

Individual

b)

Class

c)

Direct

d)

Indirect

33.

What part of the hair carries the pigmentation to determine the color?

a)

cortex

b)

cuticle

c)

scale

d)

medulla

34.

What can we determine from this hair

a)

It is human because of the intermittent medulla present

b)

It is animal because of the intermittent medulla present

c)

It is animal hair due to the color of the cortex

d)

There is no medulla present so we don't know

35.

What larval stage is this larva in?

a)

1st instar

b)

2nd instar

c)

3rd instar

d)

4th instar

36.

What is the immature form of an animal, like a maggot, called

a)

larva

b)

egg

c)

pupa

d)

adult

37.

Class evidence narrows an identity to

a)

a group of persons or things

b)

a subgroup

c)

an individual person or thing

d)

an individual person

38.

Hair analysis can determine which of the following: (select all that apply)

a)

age

b)

drug use and toxin exposure

c)

location from the body (i.e. armpit, head, pubic)

d)

death

39.

What is the first priority to securing the scene?

a)

separating witnesses

b)

preservation of evidence

c)

taking photographs

d)

safety

40.

The temperature from the maggot mass will always be ___ to the ambient temperature

a)

higher

b)

lesser

c)

equivalent

d)

proportional

41.

Class or Individual Evidence: Imprint or specific damage to the sole of a shoe

a)

Class

b)

Individual

42.

Class or Individual Evidence: textile fiber

a)

Class

b)

Individual

43.

Class or Individual Evidence: ABO blood type

a)

Class

b)

Individual

44.

Class or Individual Evidence: DNA recovered from saliva

a)

Class

b)

Individual

45.

Class or Individual Evidence: hair with no follicular tag

a)

Class

b)

Individual

46.

Class or Individual Evidence: tread pattern impression from the sole of a shoe

a)

Class

b)

Individual

47.

Physical or Biological Evidence: fingerprints

a)

Physical

b)

Biological

48.

Physical or Biological Evidence: blood

a)

Physical

b)

Biological

49.

Physical or Biological Evidence: saliva

a)

Physical

b)

Biological

50.

OJ Simpson was convicted in a criminal trial for the murder of Nicole Brown Simpson and Ronald Goldman due to the shoe impressions left by his size 12 Bruno Magli shoes.

a)

True

b)

False

51.

Fingerprint powders come in a variety of compositions and colors.

a)

True

b)

False

52.

An evidence log and a chain of custody must be attached to the evidence container.

a)

True

b)

False

53.

Because each DNA molecule is composed of two strands, DNA is known as a double helix.

a)

True

b)

False

54.

Population genetics is the study of the variation in genes among a group of individuals.

a)

True

b)

False

55.

Kirk Bloodsworth was the first death row inmate to be exonerated due to DNA evidence.

a)

True

b)

False

56.

During decomposition, the corpse is an environment that changes. Different organisms live on the corpse at different times, and this occurs in a predictable pattern. This is an example of..

a)

accumulated degree days

b)

insect succession

c)

primary succession

d)

accumulated degree hours

57.

What was troublesome with the JonBenet Ramsey case?

a)

The case was not troublesome and was "open and shut"

b)

Her mother's fingerprints were on the murder weapon.

c)

The crime scene was not secured and proper crime scene protocol was not followed.

d)

Her blood was found in her father's car.

58.

The fingerprint pattern accounting for only 5% of all known patterns is

a)

arch

b)

loop

c)

plain whorl

d)

central pocket whorl

59.

Trace evidence would include: (select all that apply)

a)

fingerprints found on a glass

b)

blood drops on a shirt

c)

hair found on a brush

d)

the gun used in a crime

60.

What attracts blowflies to a dead body?

a)

gases

b)

color

c)

bacteria

d)

movement

61.

Perception:

a)

is faulty

b)

is not always accurate

c)

does not always reflect reality

d)

all of these are correct

62.

You found a hair and determined it has a spinous scale pattern. What does this tell you?

a)

There is not enough information here to determine anything

b)

It is not a hair, but probably a synthetic fiber

c)

It is a hair, but it is not human

d)

It is a hair, most likely human

63.

Which of the following explains how evidence is left at or taken from a crime scene by a perpetrator, investigator, or any witness who enters the scene?

a)

trace evidence

b)

Locard's Principle

c)

direct evidence

d)

securing the scene

64.

When viewing a hair microscopically, one would make observations and try to view and describe the following features of the hair:

a)

weave pattern and twist direction

b)

the pigmentation of the cortex, the pattern of the medulla, and cuticle scale pattern

c)

the pigmentation of the medulla, the pattern of the cuticle, and cortex scale pattern

d)

the pigmentation of the cuticle, the medulla scale pattern, and the pattern of the cortex

65.

The goal of crime scene investigation is to:

a)

recognize evidence at the scene of a crime

b)

document evidence at the scene of a crime

c)

collect evidence at the scene of a crime

d)

all of these choices

66.

Circumstantial evidence is:

a)

direct evidence that can be used to imply a fact, but does not directly prove it

b)

indirect evidence that can be used to imply a fact, but does not directly prove it

c)

indirect evidence that cannot be used to imply a fact

d)

none of these choices

67.

Except for identical twins, no two people on earth have the same:

a)

physical characteristics

b)

DNA

c)

blood group

d)

skeletal type

68.

In the nucleus of most human body cells, there are:

a)

23 pairs of chromosomes

b)

46 pairs of chromosomes

c)

92 chromosomes

d)

none of these choices

69.

One of two or more alternative forms of a gene is:

a)

a chromosome

b)

DNA

c)

an allele

d)

RNA

70.

DNA sequences with a high degree of polymorphism are ____ useful for DNA analysis

a)

least

b)

most

c)

not

d)

none of these choices

71.

In gel electrophoresis, what caused the DNA fragments to separate?

a)

DNA is positively charged and moved towards the positive end.

b)

DNA is positively charged and moved towards the negative end.

c)

DNA is negatively charged and moved towards the negative end.

d)

DNA is negatively charged and moved towards the positive end.

72.

What is the purpose of the AMEL locus?

a)

it provides gender information in a DNA profile

b)

it provides individual evidence

c)

it is always the shortest restriction fragment

d)

it is one of the 13 core STR loci

73.

Why is the use of familial DNA controversial when it is useful for solving cases?

a)

innocent people are investigated

b)

possible violation of 4th amendment rights

c)

people provide evidence regardless of guilt

d)

all of these are correct

74.

What do the peaks on an electropherogram represent?

a)

number of repeats of an STR loci

b)

gel electrophoresis results

c)

VNTR lengths

d)

RFLP repeats

75.

Who is the most amazing student that I have ever had, is a beautiful young mind with so much potential, and is someone that I enjoy getting to spend the year with and believe they are going to do PHENOMENAL on this test because they are also, amazing?

a)

I am!

b)

Me!

c)

It's me silly =)

d)

That is I, of course.