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Forensics Midterm REVIEW

Total questions: 70

Worksheet time: 1hrs 11mins

Name
Class
Date
1.

Hair is composed of

a)

keratin.

b)

protein.

c)

both of these are correct

2.
Natural fibers can be harvested from
a)
plants and animals only
b)
plants, animals and minerals only
c)
animals only
d)
plants only
3.
The hair shaft is composed of what important protein?
a)
Cellulose 
b)
Chitin
c)
Peptidoglycan
d)
Keratin
4.
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
5.
Number 2 is pointing to what structure of the hair?
a)
Cortex
b)
Medulla
c)
Cuticle
d)
None of These
6.
The hair follicle is dormant and hairs are easily lost during which stage of the hair life cycle?
a)
Anagen
b)
Telogen
c)
Catagen
d)
Metagen
7.

The medullary index is used to determine if a hair is from an animal or human. To calculate it, 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
8.

Hair is what type of evidence without the follicle?

a)

Class

b)

Individual

c)

unknown

d)

all of the above

9.

Hair is what type of evidence with the follicle?

a)

Class

b)

Individual

c)

unknown

d)

all of the above

10.

What are the three cuticle patterns?

a)

Coronal, spinous, imbricate

b)

flowery, circular, triangular

c)

square, round, diamond

11.

A controversial theory that ___ was slowly poisoned to death was apparently confirmed by a forensic study of his hair. Pascal Kintz of the Strasbourg Forensic Institute in France studied hairs taken from the former emperor’s head after he died and found levels of arsenic seven to 38 times higher than normal. Kintz concluded this must be the result of poisoning.

a)

Napoleon

b)

Henry V

c)

President Kennedy

d)

King Philip

12.

 The body of a woman was found in the woods. Some hair fibers found on the body were sent to the crime lab for analysis.  The ends of the hair attached to the body were gray, but showed that that it had been dyed. The distance from the root of the hair to the beginning of the dyed area measured 6 mm.  Investigators determined that the victim's  hair had last been dyed on July 1, 2004. 

Assuming the hair grows at a rate of 0.22 mm per day, approximately what date did the woman die?   

a)

July 28, 2004

b)

July 18, 2004

c)

January 28, 2005

d)

July 2, 2004

13.

The number of threads that are packed together for any given amount of fabric is known as ___________.

a)

abaca

b)

linen

c)

thread count

d)

satin

e)

tabby

14.

A blue polyester fiber found at the crime scene matches the outfit the suspect was wearing at the time they allegedly committed the crime. What type of evidence is this?

a)

Individual Evidence

b)

Direct Evidence

c)

Testimonial Evidence

d)

Circumstantial Evidence

15.

A forensic scientist performs a burn test and finds that the fiber melts when it is put in the flame. This suggests that the fiber is…

a)

A synthetic fiber

b)

A natural fiber

16.
Fibers are considered what kind of evidence? 
a)
Individual
b)
Class
c)
Direct
d)
Indirect
17.
When fibers are transferred directly from victim to suspect or suspect to victim, this is called:
a)
necessary transfer.
b)
direct transfer
c)
absolute transfer.
d)
None of these choices.
18.

The vertical thread count on this fabric is:

a)

7

b)

8

c)

12

d)

none of these

19.
Hair is this type of evidence
a)
circumstantial
b)
trace
c)
class
d)
all of these
20.
Who was the first person to apply the principles of forensic science to a working crime laboratory?
a)
Anton VanLeeuwenhoek
b)
Shelly Learned
c)
Edmond Locard
d)
C.  Sir Francis Galton
21.
Did this hair fall out naturally, or was it forcibly removed?
a)
Fell out naturally
b)
Was forcibly removed
22.

Who stated when two people come in contact with each other, a physical transfer occurs.

a)
Isaac Newton
b)

August Vollmer

c)
Albert Einstein
d)

Edmond Locard

23.

A fibrous protein that makes up the majority of the cortex of the hair

a)

keratin

b)

melanin

c)

cellulose

d)

lipids

24.

If hair is forcibly removed from a victim, the tip of the hair may contain DNA. This region is called?

a)

Shirt Tag

b)

Price tag

c)

Follicular tag

d)

hair tag

25.

Fiber and hair evidence is put in?

a)

Bundle

b)

Bindle

c)

Binder

26.

What is the outside covering the hair shaft

a)

Medulla

b)

Cuticle

c)

Cortex

27.
material that can be related to a single source
a)
individual evidence
b)
control evidence
c)
trace evidence
28.
The ability to establish the exact whereabouts of an item of evidence and under whose control it was from its collection at the crime scene to its presentation in the courtroom and everywhere in between is called
a)
chain of command
b)
record of evidence
c)
chain of custody
29.
Blood-stained materials should be store in what type of container
a)
paper bags
b)
air-tight new paint can
c)
mason jar with a lid
d)
plastic bag with a seal
30.
"With contact between two items, there will be an exchange." This is known as _____
a)
physical evdience
b)
Locard's exchange principle
c)
Forensic exchange principle
d)
the law of forensics 
31.

The first officer arriving at a crime scene, after providing or obtaining medical assistance for the injured and effecting an arrest of suspects (if possible), should immediately:

a)

photograph the scene.

b)

search for evidence.

c)

make a rough sketch of the scene.

d)

secure the scene.

32.

small but measurable amounts of physical or biological material found at a crime scene

a)

individual evidence

b)

class evidence

c)

direct evidence

d)

trace evidence

33.

All evidence gathered at a crime scene must

a)

document the location where the evidence was found.

b)

be packaged properly.

c)

maintain proper chain of custody

d)

all of the above

34.
Deductive Reasoning
a)

deriving the conclusion from the facts using a series of logical steps

b)
the ability to identify its component parts, to organize information for decision making, to establish criteria for evaluation, and to draw appropriate conclusions.
c)
A statement or assertion of information that can be verified
d)
A statement or assertion of information that can be verified
35.
Typically the first to arrive at a crime scene and they secure the scene
a)
detectives
b)
specialists
c)
district attorney
d)
police officers
36.

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

37.

The first person on the scene

a)

Medical examiner

b)

CSI investigator

c)

First Responder

38.

This person documents the crime scene and collect physical evidence

a)

Crime Scene investigator

b)

First responder

c)

Specialist

39.

The reason it is important to separate the witnesses at the crime scene is to

a)

prevent contamination of the evidence

b)

prevent fighting among the witnesses

c)

prevent the witnesses from talking to each other

d)

protect them from the perpetrator

40.

True or False: Pictures are taken before a sketch is made.

a)

True

b)

False

41.
What are the four patterns to search for evidence
a)
spiral, round, linear, quadrant
b)
grid, round, linear, zone
c)
spiral, grid, quadrant, no pattern
d)
spiral, grid, linear, quadrant
42.

Which form of evidence can be associated with a group?

a)

Class

b)

Inidiviudal

c)

Testimonial

d)

Transient

43.

This evidence can be traced to a single source.

a)

Transient

b)

Individual

c)

Class

d)

Circumstantial

44.

What type of evidence is shoe size?

a)

Class

b)

Individual

45.

A fingerprint could be an example of

a)

common evidence

b)

biological evidence

c)

individual evidence

d)

class evidence

46.

Which of these is NOT part of a Medical Examiner's job?

a)

Going to the death scene

b)

Performing an autopsy

c)

Collecting evidence from the crime scene

d)

Helping to determine Cause of Death 

47.

Which of the following evidence is considered to be biological?

a)

impressions

b)

Fingerprints

c)

Shell Casings

d)

Hair

48.

The word forensics refers to the application of science to solve crimes.

a)

True

b)

False

49.

The Innocence Project found that mostly faulty convictions were based on ______

a)

Out of date investigation equipment

b)

Untrained C.S.I

c)

Inaccurate eyewitness accounts

d)

Officers not following the 7 S's of C.S.I

50.

Which of the following best describes the difference between circumstantial evidence and direct evidence?

a)

Direct evidence can lead to the conviction of a suspect, while circumstantial evidence cannot.

b)

Direct evidence is not admissible in court; however, circumstantial evidence is admissible with the approval of a judge.

c)

Direct evidence is used to imply a fact, while circumstantial evidence proves an alleged fact.

d)

Direct evidence proves and alleged fact, while circumstantial evidence is used to imply a fact.

51.

A ruling regarding the admissibility of expert witness testimony.

a)

Daubert Ruling

b)

6th Admendment

c)

plea bargain

d)

deliberation

52.

The results of scientific tests or procedures are admissible as evidence only when the tests or procedures have gained general acceptance in the particular field to which they belong. Also called the ____.

a)

Frye rule

b)

Daubert

c)

verdict

d)

law

53.

The ___ is a rule of evidence regarding the admissibility of expert witness testimony.

a)

Daubert standard

b)

Frye rule

c)

law

d)

verdict

54.
A fact is a statement or assertion of information that can be verified 
a)
True 
b)
False 
55.
Our emotional state influences our ability to see and hear what is happening around us. 
a)
True
b)
False 
56.
One of the most important tools of the forensic investigator is the ability to:
a)
observe, interpret and report observations clearly
b)
Observe assumptions clearly 
c)
Report assumptions clearly 
d)
None of the choices 
57.
Whether observing at a crime scene or examining collected evidence in the laboratory, the forensic examiner must be able to:
a)
Identify the evidence
b)
Record the evidence
c)
Determine the significance of the evidence
d)
All of the choices 
58.

A belief founded on judgement rather than direct knowledge or experience.

a)

Logic

b)

opinion

c)

Deductive Reasoning

d)

Fact

59.

Information that can be verified.

a)

Logic

b)

Eyewitness

c)

Deductive Reasoning

d)

Fact

60.

Deriving a conclusion from facts using logical steps.

a)

Logic

b)

Eyewitness

c)

Deductive Reasoning

d)

Fact

61.

Deriving a conclusion from facts using logical steps.

a)

Logic

b)

Eyewitness

c)

Deductive Reasoning

d)

Fact

62.

A proper or reasonable way of thinking or understanding something.

a)

Logic

b)

Eyewitness

c)

Deductive Reasoning

d)

Fact

63.

A perception is what a person perceives using sight, taste, hearing, smell and touch.

a)

false

b)

true

64.

Using the scientific method requires the scientist or investigator to form a hypothesis that is based on prior knowledge or observation.

a)

true

b)

false

65.

The Innocence Project started in

a)

2008

b)

1896

c)

1986

d)

1992

66.

Good observation skills come naturally to investigators, they do not need to be trained.

a)

false

b)

true

67.

The word Forensics refers to the application of science to solve crimes.

a)

true

b)

false

68.

The ability to identify a concept or problem, isolate its component parts, organize information for decision making, establish for evaluation, and draw conclusions is having

a)

qualitative reasoning

b)

analytical skill

c)

experiential proficiency

d)

quantitative reasoning

69.

The first step in a forensic investigation is 

a)

careful and accurate observation

b)

sketch the scene

c)

secure the scene

d)

call 911

70.

How the brain processes information (observations):

1-Information from our senses

2-Perception

3-What we pay attention to

4-Short term memory

5-long term memory

a)

This is the proper order.

b)

this is incorrect

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