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Forensic Science Midterm

Total questions: 75

Worksheet time: 56mins

Name
Class
Date
1.
Type of evidence that can be traced back to one person
a)
Testimonial 
b)
class
c)
logical
d)
individual
2.
Type of evidence that can be traced back to many people
a)
testimonial
b)
class
c)
logical
d)
individual
3.

What is an example of individual characteristics evidence?

a)

fingerprints

b)

car paint

c)

blood stain pattern

d)

dirt

4.

The Chain of Custody is a common practice, but not required for all types of evidence

a)

true

b)

false

5.

When searching for evidence it's important to ....

a)

collect only what can be used in court

b)

take things that can have tests run on them

c)

take the most important items first, then come back for the rest

d)

take everything, evidence can be eliminated later

6.

Who created the first crime lab in France?

a)

Francis Galton

b)

Leone Lattes

c)

Hans Gross

d)

Edmond Locard

7.
Which of the following is NOT a major job of a forensic scientist?
a)
Analyze physical evidence
b)
Provide expert testimony
c)
Determine which evidence is admissible in court
d)
Train others in proper recognition, collection and preservation of physical evidence. 
8.
Which unit examines body fluids and organs to determine presence or absence or poisons and drugs. This is frequently done by the medical examiner's office.
a)
Odontology Unit
b)
Toxicology Unit
c)
Biology Unit
d)
Poison Control Unit
9.
What is the first step in processing a crime scene?
a)
Photography
b)
Rough sketch
c)
Finished sketch
d)
Securing the perimeter
10.
Forensic science is any science that
a)
studies skeletal remains
b)
studies living organisms
c)
analyzes body fluids
d)
is applied to matters of criminal and civil law
11.
The examination of a bite mark would employ the use of
a)
forensic entomology
b)
forensic anthropology
c)
forensic toxicology
d)
forensic odontology
12.
Which of the following is an example of class evidence?
a)
DNA
b)
Fingerprints
c)
Blood Type
d)
Handwriting
13.

Eyewitness accounts and your own thinking can include ...

a)

DNA

b)

Prejudices

c)

Mood Swings

d)

Lies

14.

the scientific study of diseases

a)

pathology

b)

entomology

c)

toxicology

d)

microscopic

15.
What evidence is the real, tangible, or clear evidence
a)
Circumstantial
b)
Direct
c)
Exculpatory
d)
Inculpatory
16.
True or False:
A Forensic Anthropologist would analyze any drugs and/or poisons found in the body.
a)
True
b)
False
17.

What is another name for Forensic Science?

a)

Polygraph

b)

Criminalistics

c)

Criminology

d)

Anthropology

18.
Which covers the right to remain silent
a)
Miranda Rights
b)
fifth amendment
c)
second amendment
d)
fourth amendment
19.
True or False:
A Forensic Entomologist uses insects to determine the time of death and location of a corpse.
a)
True
b)
False
20.
Forensic Science is the application of __ to ___
a)
Law; Science
b)
Science; Law
21.
A lie detector test is known as a 
a)
Toxicology 
b)
Pathology
c)
Polygraph
d)
Telograph
22.
What is the LEAST important consideration in the gathering at a crime scene? 
a)
Competent collection of materials 
b)
Completion of the chain of custody documents
c)
Proper recognition of the evidence
d)
Guilt of the suspects
23.

Which best summarizes the Locard Exchange Principle?

a)

Evidence must be gathered in observable, empirical, and measurable methods.

b)

Every contact with another person, place or thing results in exchange of physical materials.

c)

Always practice suspicion on a crime scene based on sound reasoning and fact.

d)

Crime scenes, evident and the criminal will underogo chage as time progresses making them unrecognizable.

24.

Which of the following best describes the role of a criminalist?

a)

Questioning witnesses and suspects

b)

Performing tests and analysis on evidence and determining what can be proven based on results

c)

Studies the reasons why people may commit a crime.

d)

Isolate or identify substances within a body which may have contributed to the crime

25.

Put the following events in order.

1.Law enforcement officers confine the scene

2.Criminalists analyze the evidence

3.Law enforcement officers are called to the scene of a crime

4. Crime scene investigators examine the crime scene and collect evidence

a)

3142

b)

4132

c)

1342

d)

2413

26.

Which of the following should a responding officer do first upon arriving on a crime scene?

a)

Isolate the crime scene

b)

Interview witnesses

c)

Collect all evidence

d)

Deal with life or death emergencies

27.
It is important to separate witnesses at a crime scene in order to 
a)
prevent contamination of evidence
b)
prevent them from talking and forming a collusion
c)
prevent them from leaving the scene
28.
indirect evidence, evidence used to imply a fact but not prove it directly
a)
control sample evidence
b)
eyewitness testimony
c)
primary evidence
d)
circumstantial evidence
29.
Able to match of projectiles to firearms
a)
toxicology
b)
serology
c)
computer science
d)
ballistics
30.
What might a forensic scientist be asked to do in a murder trial?
a)
Identify whose blood is on the murder weapon
b)
Testify to the mental state of the accused
c)
Talk about the illegal accounting practices of the victim
d)
Explain what the victim was doing the day before the crime
31.

Mrs. Woodley is missing and police want her DNA The best place for them to find it is in Mrs. Woodley's:

a)

Tennis shoes.

b)

Clothes

c)

Hair brush.

d)

Garbage

32.
A house burned to the ground with one victim inside. What is the BEST way for forensic scientists to identify the victim?
a)
Eyewitness account
b)
Blood analysis
c)
Teeth
d)
Personal documents
33.
A skeleton is found buried at a campsite. What can examination of the skeleton tell investigators about the victim?
a)
Race and gender
b)
Occupation and income
c)
Height and weight at the time of death
d)
Ethnicity and religion
34.
Natural fibers can be harvested from
a)
plants and animals only
b)
plants, animals and minerals only
c)
animals only
d)
plants only
35.

Hair can be used to determine all of the following EXCEPT

a)

gender

b)

drug habits

c)

diet

d)

exposure to toxins

36.
The shaft of a hair (excluding the follicle) is considered to be which kind(s) of evidence
a)
testimonial, trace
b)
individual, trace
c)
testimonial, class
d)
trace, class
37.

The hair strand below most likely came from

a)

an animal

b)

a wig

c)

an abestos ceiling

d)

a human

38.
True or false?  The hair below most likely comes from a human
a)
true
b)
false
39.

Evidence having class characteristics can

a)

eliminate an innocent suspect

b)

link a person to a crime with high degree of certainty

c)

always be fitted together in the manner of a jig-saw puzzle

d)

have no evidential value

40.
Indicate whether the item is likely to possess class or individual:
an impression from a new automobile tire
a)
Class
b)
Individual
41.
What must evidence be for it to be admissible according to the Federal Rules of Evidence?
a)
probative
b)
material
c)
probative and material
d)
be able to prove means, motive, or opportunity
42.
What includes the psychological angle, studying the crime scene for motive, traits, and behavior that will help to interpret the evidence? 
a)
criminalistics
b)
criminology
c)
forensics
d)
complex reasoning skills
43.
A "jigsaw fit" of known and questioned fragments would be what type of evidence?
a)
Class no common origin
b)
Individual with the same origin
c)
Individual but no common origin
d)
Class with common origin.
44.
A man had a heart attack while driving, died, and ran off the road and hit a tree.  What is the cause of death?
a)
Accidental
b)
Natural 
c)
Homicide
d)
Suicide
45.
What should be placed on the SEAL for the chain of custody?
a)
collector's initials and the date
b)
Just the date
c)
The collector's name 
d)
The collector's location
46.
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
47.
To determine the medullary index, you would ______.
a)
measure the diameter of the medulla and divide it by the diameter of the hair
b)
measure the diameter of the hair and divide it by the diameter of the medulla
c)
measure the length of the medulla and divide it by the length of the hair
d)
measure the diameter of the medulla and divide it by the diameter of the cortex
48.
What are the 2 types of Fibers?
a)
Yarn and textiles
b)
natural and synthetic 
c)
sheep and wool
d)
carpet and clothing 
49.
The following medulla pattern is called
a)
fragmented 
b)
continuous
c)
interrupted
50.
What kind of medulla is this?
a)
Fragmented
b)
Continuous
c)
Interrupted/Intermittent
d)
Absent
51.
What kind of medulla is this?
a)
Fragmented
b)
Continuous
c)
Interrupted/Intermittent
d)
Absent
52.
Did this hair fall out naturally, or was it forcibly removed?
a)
Fell out naturally
b)
Was forcibly removed
53.
Is this hair from an animal or human?
a)
Human
b)
Animal
54.
Fiber evidence is 
a)
Individual Evidence
b)
Direct Evidence
c)
Class Evidence
d)
All of These
55.

Which one is an example of a synthetic fiber?

a)

Polyester

b)

Acrylic

c)

Nylon

d)

All of these

56.

Fibers can be identified using chemical changes tests.

a)

true

b)

false

57.
A paint chip is able to be linked to a manufacturer but not a specific car is an example of what?
a)
Individual characteristics
b)
Class characteristics
c)
evidence
d)
paint
58.

All of the following would be considered fixed points except

a)

Door

b)

Wall

c)

Desk

d)

Window

59.

When packaging evidence, you should

a)

Package all like evidence together

b)

Package only one piece of evidence at a time

c)

Package everything from the crime scene together

d)

Package it after you take it to the crime lab

60.
When a forensic scientist provides information in a criminal trial, the facts he or she presents are based on:
a)
Eyewitness accounts.
b)
Educated guesses.
c)
Circumstantial evidence.
d)
Scientific investigation.
61.
A hair has a medullary index of 0.25.  What type of hair is it?
a)
Human
b)
Animal
c)
Both
62.
Which of the following is a method of pollen transfer?
a)
Wind
b)
Animals
c)
Water
d)
All of these
63.

Which of the following is an example of a mineral fiber?

a)

Cotton

b)

Wool

c)

Asbestos

d)

Nylon

64.

Is this fibers natural or synthetic?

a)

Natural

b)

Synthetic

65.
When collecting hair as evidence, a detective should NOT do which of the following?
a)
Pluck hairs from the suspect’s head
b)
Cut hairs from the suspect’s head
c)
Collect loose hairs from the suspect’s head
d)
A detective should do all of the above
66.
Natural fibers come from:
a)
animals.
b)
plants.
c)
minerals that are mined from the ground.
d)
All of these choices.
67.
The most important structure for the individualization of hair (identity).
a)
Medulla
b)
Cuticle
c)
Cortex
d)
Follicle
68.
Using the pencil analogy, which structure corresponds to the paint on the surface?
a)
Follicle
b)
Cortex
c)
Cuticle
d)
Medulla
69.
Using the pencil analogy, which structure corresponds to the wood?
a)
Follicle
b)
Cortex
c)
Cuticle
d)
Medulla
70.
Using the pencil analogy, which structure corresponds to the lead?
a)
Follicle
b)
Cortex
c)
Cuticle
d)
Medulla
71.
True or False:
A Forensic Entomologist uses insects to determine the time of death and location of a corpse.
a)
True
b)
False
72.
The picture below indicates...
a)
cut hair 
b)
torn hair 
c)
forcibly removed hair 
d)
fallen out hair 
73.
True or False: Marijuana is the only drug detected in a hair drug test.
a)
True
b)
False
74.
It is impossible to tell a human hair from an animal hair
a)
true
b)
false
75.
Is hair a fiber?
a)
yes
b)
no

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