_______________ transfer– victim to suspect or suspect to victim directly.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
The most common form of fiber transfer to be encountered at a crime scene is _______________ of a textile.
Question 8
8.
At times, most fibers recovered from a victim are found in the victim's ____________________.
Question 9
9.
Using the fiber burn analysis key, if a fiber does not smell like hair and it ceases to burn then it is _________________.
Question 10
10.
What type of weave pattern is pictured?
Question 11
11.
Question 12
12.
Question 13
13.
Question 14
14.
Question 15
15.
Question 16
16.
Question 17
17.
Draw a picture of a medulla pattern with a intermittent medulla.
Question 18
18.
Calculate the medulla index for the sample of hair in the picture below.
Question 19
19.
Question 20
20.
Question 21
21.
Question 22
22.
Question 23
23.
Question 24
24.
Question 25
25.
Draw a picture of the reproductive parts of a flowering plant.
Question 26
26.
Explain the differences between spores and pollen.
Question 27
27.
Question 28
28.
Question 29
29.
Question 30
30.
Question 31
31.
Question 32
32.
Question 33
33.
Question 34
34.
Question 35
35.
Question 36
36.
Question 37
37.
Question 38
38.
Question 39
39.
Question 40
40.
Question 41
41.
Question 42
42.
Question 43
43.
Question 44
44.
Point of origin
manufacturing machine
length of fibers
color of hair
color
Possibility of violence
Type of fiber
Location of suspects
Fiber evaluation can show
Fiber evaluation cannot show
Fibers that have been spun together are called:
yarn.
a fiber.
a mineral fiber.
a textile.
Two methods that can analyze fibers without damaging them are:
polarizing light spectroscopy and infrared microscopy.
polarizing light microscopy and infrared spectroscopy.
None of these choices.
heat and light.
Fibers are classified as either:
polymers or synthetic fibers.
acrylic fibers or plant fibers.
olefins or synthetic fibers.
natural fibers or synthetic fibers.
All plant fibers share the common polymer that is:
protein.
cellulose.
sulfuric acid.
none of these choices.
Hair is considered:
secondary evidence
class evidence
tertiary evidence
individual evidence
Type of fibrous protein that makes up the majority of the cortex of a hair is:
cuticle
none of these choices
protein
keratin
The region of a hair located outside of the medulla containing granules of pigment is called:
the hair follicle
the cuticle
none of these choices
the cortex
How many body regions can hair originate on a human?
5
6
2
4
Since hair grows out of the skin, chemicals that the skin absorbs can become incorporated into hair. Ingested or absorbed toxins can be detected by chemical analyses of hair. These ingested or absorbed toxins include:
arsenic
lead
all of these choices
drugs
Of the following Medullary Index calculations, which ones could be from a human?
0.11
0.50
1.00
0.78
A spore, a kind of reproductive structure than can develop into an adult, is found in certain:
all of these choices
plants
protists(algae)
fungi
The largest group of gymnosperms are the:
cycads
ginkgoes
cycads
conifers
The pistil is the female part of a flower that produces:
eggs
buds
stems
petals
The stamen consists of two parts: the anther and the ______
ovule
stigma
filament
pistil
The transfer of pollen from the male part of a plant to the female part of a seedplant is known as:
cross-pollination
self-pollination
pollination
all of these choices
Seed plants include two groups:
ferns and mosses
none of these choices
gymnosperms and angiosperms
liverworts and horsetails
The goal of a crime scene investigation is to:
document evidence at the scene of a crime.
All of these choices.
collect evidence at the scene of a crime.
recognize evidence at the scene of a crime.
Direct evidence includes:
circumstantial evidence.
first-hand observations such as eyewitness accounts.
None of these choices.
second-hand observations.
Class evidence narrows an identity to:
a group of persons or things.
a subgroup.
an individual person or thing.
an indivudual person.
Medical examiners are also called:
detectives.
specialists.
coroners.
crime scene investigators.
Blood type is this type of evidence
class evidence
physical evidence
direct evidence
individual evidence
Whenever two people come in contact with each other, a physical transfer occurs. To a forensic examiner, these transferred materials constitute what is called:
None of these choices.
trace evidence.
direct evidence.
class evidence.
The forensic lab processes all of the evidence the crime scene investigation collected to determine the:
facts of the case.
truth of the testimony of the witnesses.
None of these choices.
identity of the perpetrator of the offense.
Classify the following evidence as either direct evidence or circumstantial evidence.
Broken glass
Dashcam video
Eyewitness testimony
Paint chips
Hair on a brush
Finding a suspect’s gun
Ransom note
Fingerprints on a glass
Direct Evidence
Circumstantial Evidence
To ensure all evidence is found, a crime scene is often laid out in a:
grid.
purposeful topographic survey.
map.
timeline of factual evidence.
When evaluating eyewitness testimony, the investigator must discriminate between fact and:
perception.
opinion.
observation.
None of these choices.
One of the most important tools of the forensic investigator is the ability to:
observe, interpret and report observations clearly.
observe assumptions clearly.
report assumptions clearly.
None of these choices.
Perception:
is not always accurate.
is faulty.
does not always reflect reality.
All of these choices.
Our state of mind affects how we observe our surroundings. What mental state is the best for observing?
relaxed
happy
nervous
excited
When making observations, we fill in missing information because of ________________.
filtering
cultural bias
prior knowledge
observation skill
Forensic science is strictly concerned with uncovering evidence that:
stands only as conjecture.
stands as fact.
stands beyond a reasonable doubt.
is true.
The right brain interprets the world using _________ & _________.
symbols & shape
space & shape
space & language
symbols & language
He was the first individual found innocent by the Innocence Project.
Paul Terry
Michael Evans
Gary Dotson
Frank Lee Smith
The verbal testimony of a forensic scientist alone may not be entered into evidence without:
the proper documentation.
the necessary proof of facts, whether oral or written.