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Forensics Summative Exam

Total questions: 68

Worksheet time: 52mins

Name
Class
Date
1.
Any physical location in which a crime has occurred or is suspected of having occurred
a)
Forensics
b)
Accomplice
c)
Crime Scene
d)
Alibi
2.
Person thought to be capable of committing a crime
a)
Forensics
b)
Evidence
c)
Suspect
d)
CSI
3.
Any material items that are present at the crime scene
a)
evidence
b)
accomplice
c)
detectives
d)
police officers
4.
Evidence can provide
a)
proof that a crime has been committed
b)
establish key elements of a crime
c)
exonerate the innocent
d)
all of the above
5.
Whorl, Arch and loop are all types of
a)
fingerprints
b)
footprints
c)
blood types
d)
hair types
6.
This is an example of what type of fingerprint
a)
arch
b)
wave
c)
whorl
d)
loop
7.
This is an example of what type of fingerprint
a)
loop
b)
arch
c)
whorl
d)
wave
8.
This is an example of what type of fingerprint
a)
wave
b)
whorl
c)
loop
d)
arch
9.
Changing or altering a signature without permission
a)
burglary
b)
forgery
c)
bribery
d)
kidnapping
10.
Refers to small evidence like hairs of fibers
a)
physical evidence
b)
trace evidence
c)
suspect
d)
witness
11.

What does Locard's exchange principle state?

a)

Every crime will be solved

b)

Every contact leaves trace evidence

c)

All physical evidence provides information

d)

Crimes cannot be solved without physical evidence

12.

What type of evidence cannot prove 100% that a person was at the crime scene during the crime?

a)

Direct

b)

Circumstantial

13.

What type of evidence would a fingerprint be considered?

a)

Physical

b)

Biological

14.

True or False: Individual evidence would be more beneficial to an investigation than class evidence

a)

True

b)

False

15.

Eyewitness testimony would be considered:

a)

Direct evidence

b)

Circumstantial evidence

16.

A shoe print (if unique) would be considered both:

a)

Physical

b)

Biological

c)

Class

d)

Individual

17.

When arriving to a crime scene the officer has a duty to ensure the scene is safe and

a)

secured

b)

scanned

c)

photographed

d)

sketched

18.

In order for an officer to figure out what actually happened, it is common practice to

a)

speak with the witnesses in a group setting

b)

speak with the witnesses individually

c)

only speak with the witnesses who have pertinent information

19.

A material that can be related to a SINGLE source.

a)

Trace Evidence

b)

Class evidence

c)

individual evidence

20.

A written record of all people who have had possession of an item of evidence.

a)

Chain of Custody

b)

Trace Evidence

c)

Locard exchange

21.

indirect evidence, or evidence used to imply what happened at the crime scene

a)

direct evidence

b)

Circumstantial evidence

c)

secondary evidence

22.
What blood stain pattern is created or formed by the force of gravity acting alone?
a)
Passive Drop
b)
Low Velocity Impact Spatter
c)
Flow Pattern
d)
Drip Pattern
23.
What blood spatter pattern is seen in the picture?
a)
Transfer/Contact
b)
Swipe
c)
Wipe
d)
Saturation
24.
What blood spatter pattern is seen in the picture?
a)
Low Velocity
b)
Cast-Off
c)
Arterial Spurting
d)
Medium Velocity
25.
What bloodstain pattern is created when blood is released or thrown from a blood-bearing object?
a)
Cast-Off
b)
Walking Drip
c)
Medium Velocity
d)
Void
26.
What blood spatter pattern is seen in the photo?
a)
Low Velocity
b)
Expirated Blood
c)
High Velocity
d)
Medium Velocity
27.
What type of blood spatter is typically created from a gunshot?
a)
Medium Velocity
b)
High Velocity
c)
Cast-Off
d)
Void
28.
From what angle was this blood most likely dropped?
a)
90°
b)
70°
c)
30°
d)
10°
29.
From what height was this blood dropped? 
a)
really high
b)
medium height
c)
low height
d)
an angle
30.
How does the velocity of impact change the blood stain pattern?
a)
Higher velocity, larger diameter
b)
higher velocity, smaller diameter
c)
lower velocity, smaller diameter
d)
Medium velocity, small diameter
31.

A nucleotide is composed of

a)

sugar ribose

b)

a nitrogen base

c)

a phosphate group

d)

none of the above

e)

all of the above

32.

Refer to the figure, the process A called ______ , and the suspect number ____ is the criminal.

a)

gel electrophoresis / 1

b)

slicing DNA / 2

c)

DNA replication / 1

d)

gel electrophoresis / 2

33.

No two individuals, except _____ ____ , have the same DNA.

(a)  

34.

What type of blood evidence is seen in this image?

a)

livor mortis

b)

rigor mortis

c)

algor mortis

35.

This blood type contains ONLY A and Rh anitgens?

a)

B-

b)

B+

c)

O+

d)

A+

e)

A-

36.

How are entomology and forensic entomology different?

a)

Entomology studies insects while forensic entomology studies insects in application to civil and criminal legal cases.

b)

Entomology studies insects in application to civil and criminal legal cases while forensic entomology studies insects.

c)

Trick! They are both the same.

d)

This is not the answer.

37.

breakdown of once living matter by living organisms

a)

instar

b)

larva

c)

decomposition

d)

insect succession

38.

stage 1 of decomposition

a)

fresh stage

b)

skeletal or dry

c)

advanced decay

d)

bloating

e)

active decay

39.

stage 2 of decomposition

a)

bloating

b)

advanced decay

c)

active decay

d)

fresh stage

e)

dry or skeletal

40.

stage 2 of decomposition

a)

bloating

b)

advanced decay

c)

active decay

d)

fresh stage

e)

dry or skeletal

41.

stage 5 of decomposition

a)

dry or skeletal

b)

fresh

c)

advanced decay

d)

active decay

e)

bloating

42.

body development in 4 stages: egg, larva, pupa, & adult

a)

complete metamorphosis

b)

grub

c)

oviposition

d)

spiracles

43.
Which of the following would external ballistics be most likely to study?
a)
bullet trajectory
b)
striation markings
c)
extractor and ejector markings
d)
powder tattoo patterns
44.
Which of these databases is used by firearms investigators?
a)
IBIS
b)
AFIS
c)
CODIS
d)
NCIC
45.
_______________ is the study of drugs and poisons, and their interactions with or effects on the body
a)
Serology
b)
Toxicology
c)
Controlled Substances
d)
Drugology
46.
a case that holds a bullet, primer powder, and gunpowder
a)
cartridge
b)
caliber
47.
What is left on the bullet after it exits the barrel?
a)
Rifling and Striation patterns
b)
Only Rifling 
c)
Only Striation Patterns
d)
None of these
48.
Forensic Scientists can analyze the cartridge based on the location and indentation from the firing pin strike
a)
True
b)
False
49.
Forensic Scientists compare bullets from...
a)
A Crime Scene bullet only
b)
A test bullet only
c)
A test bullet and a crime scene bullet
d)
None of the
50.
_____ is the study of the effects of being fired on a bullet, cartridge, and a gun.
a)
DNA Analysis 
b)
Gun Shot Residue
c)
Ballistics
d)
Blood Stain Analysis
51.
What is #2 pointing to?
a)
Primer
b)
Firing Pin
c)
Flash Hole
d)
Gun Powder
52.
The central core of the hair is called the...?
a)
Medulla
b)
Cuticle
c)
Cortex
d)
Shaft
53.
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 cortex
c)
cortex by the medulla
d)
cortex by the entire hair
54.
The tough clear outside covering of a hair shaft is
a)
cuticle
b)
cortex
c)
medulla
d)
polymer
55.
The middle layer of a hair shaft that contains pigment
a)
the cortex
b)
the medulla
c)
the cuticle
d)
the polymer
56.
What type of evidence is hair without the follicular tag considered?
a)
Individual
b)
Class
57.

Natural fibers can be harvested from

a)

plants and animals

b)

only from plants

c)

only from animals

d)

plants, animals, and minerals

58.

Which of the following observations are used 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 riber burns

d)

all of the above

59.

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.

60.

The interval of time between when death occurs and the body is discovered.

a)

premortem interval

b)

postmortem interval

c)

death interval

d)

death time

61.
Estimate the approximate time of death for the following situation:

A body was found exhibiting rigor throughout the entire body.
a)
2 - 6 Hours
b)
8 Hours
c)
12 Hours
d)
12 - 15 Hours
62.

This occurs 2-4 hours after death, where the blood pools due to gravity. The area affected is a bluish-red color.

a)

rigor mortis

b)

algor mortis

c)

livor mortis

63.
The cooling of body temperature after death is:
a)
algor mortis
b)
livor mortis
c)
rigor mortis
d)
pallor mortis
64.

The process that causes the muscles in the body to stiffen resulting in rigidity after death is called

a)

algor mortis

b)

rigor mortis

c)

livor mortis

65.

Rigor mortis starts at the feet and moves up the body.

a)

True

b)

False

66.

Under normal circumstances, approximately how many degrees will a body cool during the first 12 hours?

a)

0 degrees

b)

2.5 degrees

c)

1.4 degrees

d)

5 degrees

67.

What are "Latent" impressions?

a)

3-D imprints left in a soft substance

b)

2-D impressions that are visible to the unaided eye

c)

Impressions hidden to the eye but can be made visible using development techniques

d)

Impressions that are easily lost and must be documented right away with casting

68.

Size, brand, and tread design are all _________ characteristics that are common among a group of footwear and tires.

a)

class

b)

individual

c)

amorphous

d)

composite

e)

material

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