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WorksheetsForensics Semester Final (1-4)
Total questions: 200
Worksheet time: 2hrs 40mins
A network of blood vessels that supply nutrients to feed the hair and help it grow is called the:
Papilla
Medulla
Follicle
Follicular Tag
Cortical Fusi
The club-shaped structure in the skin from which hair is produced is the:
Papilla
Medulla
Follicle
Follicular Tag
Cortex
The gland which secretes oil and causes hair to be oily is the:
Sebaceous gland
Apocrine gland
Eccrine gland
Adrenal gland
Pineal gland
Muscles that cause hair to stand upright are called:
Papilla muscles
Medulla muscles
Follicle muscles
Erector muscles
Cortical muscles
Small sacs of air within the hair shaft are called:
Papilla
Medulla
Follicle
Follicular Tag
Cortical Fusi
The central core of the hair is the:
Cuticle
Medulla
Follicle
Cortex
The layer of hair that contains pigment granules is the:
Cuticle
Medulla
Follicle
Cortex
The part of hair which can be analyzed for DNA is the:
Cuticle
Medulla
Follicle
Follicular Tag
Cortex
The transparent outer layer of the hair is the:
Cuticle
Medulla
Follicle
Cortex
Hairs from this racial group usually have a round cross section and a large diameter:
African
Asian
European
Hairs from this racial group usually have dense, unevenly distributed pigment granules :
African
Asian
European
Hairs from this racial group usually have evenly distributed pigment granules:
African
Asian
European
A technique that can determine the composition of up to 14 different elements in a single strand of human hair is:
Fluorescent Spectrophotometry
Neutron Activation Analysis
Scanning Tunneling Test
Polarizing Electrophoresis
While getting dressed, you dropped your shirt on the floor and picked up dog hair. When you arrived at school and sat in your desk chair, you transferred some of that dog hair to the chair. This is an example of what?
Primary Transfer
Secondary Transfer
Direct Transfer
Indirect Transfer
Hair analysis may be used to determine all of the following except:
body region from which the hair came from
identity of the individual from which the hair came from
broad racial background of the individual from which the hair came from
manner in which the hair was removed
hair analysis is helpful to determine all of the above
Hair analysis may be used to determine all of the following except:
an assessment of nutritional deficiencies
a history of the use of drugs and other toxins
where the hair originated; human or other animal
presence of heavy metals
hair analysis is helpful to determine all of the above
The main purpose of hair is to:
Protect against sunlight
Aid in sensory
Decrease friction
Regulate body temperature
Humans have the most hair on their body…
When they are born
During puberty
Once they reach sexual maturity and adulthood
During old age, before they die
The hair shaft is composed of what important protein?
Myosin
Keratin
Chitin
Actin
This layer of hair is made of scales that overlap and point toward the distal tip:
Medulla
Cuticle
Follicular tag
Cortex
Human hairs generally have what two types of medulla?
Continuous or interrupted
Fragmented or none
Fragmented or solid
Solid or interrupted
When hairs found at a crime scene look similar to those collected from a suspect, a forensic expert should say:
“They are a match”
“They rule out the suspect”
“They corroborate the evidence”
“They could have a common origin”
When hairs found at a crime scene look very different from hairs collected from a suspect, this is called:
Association
Exclusion
Inconsistency
Negative identification
When collecting hairs from a suspect to compare to those found at a crime scene, how many control hairs should be collected?
100 from all over the body
75 from head; 25 from pubic region
50 from head; 25 from pubic region
25 from head; 75 from arms, legs, and pubic region
The average hair grows how much per month?
.5 cm
1.3 cm
2.4 cm
3.2 cm
Human hair has which type of cuticle?
imbricate
spinous
coronal
mosaic
Which factors are used to calculate the medullary index of the hair?
diameter of cuticle and the length of the hair
width of cortex and the width of the medulla
length of entire hair and the pattern of pigmentation
width of medulla and the width of the hair
Rodent and bat hair has which type of cuticle?
imbricate
spinous
coronal
mosaic
What is the first step in testing the hair shaft for substances such as drugs?
burning the hair
bleaching the hair
dissolving the hair
washing the hair
Hair without the root is considered what type of evidence?
class
direct
individual
physical
The above diagram represents which medulla pattern?
continuous
interrupted
fragmented
solid
When being compared to a wooden pencil, which part of hair represents the wood?
medulla
cortex
cuticle
follicular tag
What are the two main parts of a hair?
follicle and shaft
cuticle and cortex
DNA and melanin
medulla and follicular tag
What macroscopic characteristic can we determine by looking at the cross-section of head hair?
Hair length
Curl
Texture
Length of time since the last hair cut
Hair is helpful in solving old crimes because…
hair on a suspect never changes
it always contains DNA evidence
it takes little room to store in evidence closets
it does not easily decompose
When collecting hair as evidence, a detective should not:
Pluck hairs from the suspect’s head
Cut hairs from the suspect’s head
Collect loose hairs from the suspect’s head
None- A detective should do all of the above.
How long does it take for newly cut hairs to take on an uncut, rounded shape?
4-5 days
2-3 weeks
1 month
3 months
This is the shortest stage of the life cycle of hair; accounts for about 2% of all hair growth and development:
Catagen
Telogen
Anagen
The period of active growth during the life cycle of hair; occurs when the cells around the follicle are rapidly dividing:
Catagen
Telogen
Anagen
Hair’s final resting stage during which the hair follicle is dormant and hairs are easily lost:
Catagen
Telogen
Anagen
The first and longest stage of the hair life cycle:
Catagen
Telogen
Anagen
The transitional or regressive stage of the hair life cycle, during which hair growth slows:
Catagen
Telogen
Anagen
About 12% of all hairs are in this stage, which lasts a few months:
Catagen
Telogen
Anagen
What type of pattern does the horizontal hair in the diagram have?
Lattice
Interrupted
Amorphous
Fragmented
Multiserial
What is the correct name for the scale pattern shown?
imbricate
spinous
coronal
mosaic
What is the correct name for the scale pattern shown?
imbricate
spinous
coronal
mosaic
What is the correct name for the scale pattern shown?
imbricate
spinous
coronal
mosaic
A spinous scale pattern is common in what animals?
monkeys, apes, humans
mink, seals, cats
skunks, raccoons, opossums
bats, mice, rats
This type of medulla pattern is frequently found in the hairs of Native Americans and Asians:
continuous
interrupted
fragmented
solid
What two types of paper-made containers are best for packaging strands of hair evidence?
paper bindle
paper bag
small cardboard box
coin wrapper
This fiber is made from goat hair:
Silk
Wool
Angora
Cashmere
Jute
This fiber is made from rabbit hair:
Silk
Wool
Angora
Cashmere
Jute
This fiber is made from sheep hair:
Silk
Wool
Angora
Cashmere
Jute
This fiber is made from the surrounding of a coconut:
Cotton
Sisal
Coir
Linen
Jute
This fiber is the most common plant fiber:
Cotton
Grass
Manila
Linen
Tree bark
This fiber has extreme elastic properties:
Acrylic
Nylon
Polyester
Rayon
Spandex
This first man-made fiber is also the most common synthetic fiber:
Acrylic
Nylon
Polyester
Rayon
Spandex
This fiber is a good alternative to rayon because it is less polluting:
Acrylic
Nylon
Polyester
Acetate
Spandex
This inexpensive synthetic fiber tends to ball easily:
Acrylic
Nylon
Polyester
Acetate
Spandex
This lightweight but warm fabric is also soft and resilient:
Acrylic
Nylon
Polyester
Rayon
Spandex
This is the most durable man-made fabric; it is also extremely light weight:
Acrylic
Nylon
Polyester
Acetate
Spandex
These fibers are totally man-made from petroleum plastics:
Regenerated fibers
Synthetic polymer fibers
Textile fibers
Mineral fibers
Which statement correctly shows the size order from smallest to largest?
Textile --> Yarn --> Fiber
Fiber --> Yarn --> Textile
Textile --> Fiber --> Yarn
Fiber --> Textile --> Yarn
This diagonal weave pattern results in a soft, pliable, and strong fabric:
Satin
Twill
Plain
Basket
This weave pattern results in shiny fabric with little friction:
Satin
Twill
Plain
Basket
This weave pattern has a checkerboard design and it snag resistant:
Satin
Twill
Plain
Basket
Which fiber comes from a leaf and is often used to make paper and envelopes?
Manila
Sisal
Coir
Linen
Jute
How much time does it typically take for 95 percent of fiber evidence to fall off after a crime?
6 hours
24 hours
2 days
1 week
Sisal comes from what part of a plant?
Seed
Stem
Fruit
Leaf
Hemp comes from what part of a plant?
Seed
Stem
Fruit
Leaf
Asbestos is often used around pipes and fireplaces, in ceiling and floor tiles, shingles, home siding, and insulation because of what property?
It is durable and long-lasting
It can be molded into many different shapes
It is fire resistant
It is easy to handle and install on big projects
Cotton is often too common to provide much forensic evidence. What might make cotton fiber evidence more unique?
If it has been burnt
The length of the fiber
If it has been dyed
If it has been melted
During class, a student pulled a loose fiber from their shirt. That fiber fell to the ground and was later picked up on the pant leg of another student. This is an example of:
Direct transfer
Primary transfer
Secondary transfer
Tertiary transfer
When searching for fiber evidence, what should forensic scientists do first?
Shine light from an Infrared Spectroscope to make fibers more visible
Crawl on the ground with forceps and collect fibers as they find them
Visually search the area
Use a vacuum to make sure they don’t miss any small fibers
Scientists use this test to analyze the different dyes in fabric evidence:
Stain test
Solvent test
Chromatography
Density test
Infrared Spectroscopy
Scientists use this test to compare solubility of known and unknown fibers:
Polarizing light microscopy
Solvent test
Burn test
Density test
Infrared Spectroscopy
If there is a limited amount of fiber found at the crime scene, scientists perform this test so that will not damage the evidence:
Stain test
Solvent test
Chromatography
Density test
Infrared Spectroscopy
Plant fibers are made of what material?
Carbohydrate
Protein
Lipid
None of the above
Animal fibers are made of what material?
Carbohydrate
Protein
Lipid
None of the above
Mineral fibers are made of what material?
Carbohydrate
Protein
Lipid
None of the above
These fibers tend to be much stronger:
Synthetic
Natural
These fibers can often be damaged by microorganisms:
Synthetic
Natural
These fibers can deteriorate in bright sun:
Synthetic
Natural
Under magnification, these fibers have very regular diameters:
Synthetic
Natural
Under magnification, these fibers might have a cuticle:
Synthetic
Natural
Polyester is considered this type of fiber:
Synthetic
Natural
Fiberglass is considered this type of fiber:
Synthetic
Natural
Mohair is considered this type of fiber:
Synthetic
Natural
Jute is considered this type of fiber:
Synthetic
Natural
In a burn test, these fibers will often shrink back away from the flame:
Synthetic
Natural
What fiber has been found to cause cancers such as lung cancer and mesothelioma?
Fiberglass
Asbestos
Acetate
Acrylic
When gathering clothing items as evidence at a crime scene, what must the collector do?
Lay each garment on a clean sheet of paper and roll it up in the paper
Place each garment into its own paper bag
Record where the garment was found
All of the above
Scientists use this test as a quick way to classify fabric origins:
Burn test
Density test
Solvent test
Polarizing light microscopy
How is fabric made from fur different from fabric made of hair?
Fur is shed naturally and collected to weave into yarn
Fur is left on the skin and treated to use as a textile
Fur is brushed out of the coat and twisted into yarn
Fur is clipped off and used as fibers to make yarn
Which weave pattern is used to make denim?
Satin
Twill
Plain
Basket
Which of the following is NOT part of the correct procedure used to collect and preserve fiber evidence?
Visually search for hairs
Fold fibers into a paper bindle or coin wrapper
If collecting entire clothing items roll each clothing item into paper and bag each separately.
Record where fiber evidence was found and keep a Chain of Custody log.
Collect hair evidence while wearing gloves and picking up with your fingers.
Which weave pattern is pictured?
Satin
Twill
Plain
Basket
Which weave pattern is pictured?
Satin
Twill
Plain
Basket
Which weave pattern is pictured?
Satin
Twill
Plain
Basket
What structure is shown by the arrow?
Warp
Weft
Wisp
Wake
Small traces of cosmetic makeup has been found at a crime scene. Which forensic science unit is responsible for this type of evidence?
Biology Unit
Cosmetic Unit
Trace and Transfer Unit
Toxicology Unit
A criminal is believed to have burned an important letter before being taken into custody. Which forensic unit is responsible for trying to recover information from the charred paper?
Photography Unit
Fingerprint Unit
Trace and Transfer Unit
Document Examination Unit
FBI Headquarters are located in:
Los Angeles, CA
Washington, DC
Lyons, France
Olympia, Washington
All of the following are considered misdemeanors except:
Battery
Fraud
Theft
Possessing illegal drugs
All are misdemeanors
All of the following are considered felonies except:
Rape
Murder
Armed Robbery
Dealing drugs
All are felonies
A prosecutor would like to show a diagram of a crime scene in court. Which forensic science unit is responsible for this material?
Document Examination Unit
Photography Unit
Polygraph Unit
Evience-Collection Unit
A voiceprint is made using which piece of equipment?
Spectroscope
Spectrophotometer
Sound Digitizer
Sound Spectrograph
The oldest known federal law enforcement agency is:
FBI
ATF
DEA
USPIS
BCI
Who is the plaintiff in criminal law?
The person who committed the crime
The state that the crime was committed in
The person to whom the crime was committed against
The police officer who made the arrest
A defendant is informed of the charges against him/her and enters a plea during:
Preliminary Hearing
Plea Bargaining
Arraignment
Grand Jury
The old-fashion system of precise body measurements used to identify criminals is called:
Pathology
Anthropometry
Archaeology
Entomology
More than 90% of convictions are the result of:
Plea Bargaining
Grand Jury Convictions
Acquittals
Guilty Pleas
When there is not enough evidence to prove the defendant's guilt and they are deemed not guilty by a jury, it is called a(n)
Acquittal
Hung jury
Dismissal
Appeal
In criminal cases, the prosecution must do this in order to convict the suspect:
Prove there was probable cause
Prove that they violated a statutory law
Prove guilt beyond a reasonable doubt
Prove they were aware of the wrongfulness of their acts
Fingerprints that are invisible to the naked eye are called _________ fingerprint.
latent
deductive
reasonable
class
Able to match projectiles to firearms
Serology
Ballistics
Antrhopology
Criminalistics
Application of science to matters of the law
Ballistics
Criminalistics
Computer Science
Psychiatry
Evaluate offenders to determine if they are competent to stand trial
Toxicology
Serology
Psychiatry
Pathology
Identify body fluids at crime scenes or on evidence
Toxicology
Serology
Entomology
Pathology
Identify cause of drug over doses or poisonings
Toxicology
Pathology
Entomology
Odontology
Investigate accidents dealing with transportation, structure collapses, and product liability
Computer Science
Engineering
Polygraphy
Ballistics
Study medical history of victims and determine cause and circumstance of death
Pathology
Entomology
Odontology
Serology
Trace crimes dealing with electronic records or identity theft
Computer Science
Criminalistics
Polygraphy
Ballistics
Use dental marks for identification of corpses
Odontology
Pathology
Anthropology
Entomology
Use insects to determine time and location of death
Entomology
Serology
Pathology
Anthropology
Use lie detectors or other interrogation methods
Polygraphy
Pathology
Odontology
Criminalistics
Use skeletal body remains for identification
Antrhopology
Serology
Toxicology
Pathology
Developed a comparison microscope to compare bullets
Calvin Goddard
Edmond Locard
Alphonse Bertillon
William Herschel
Published Sherlock Holmes stories
Arthur Conan Doyle
William Herschel
Francis Galton
August Vollmer
"Father of Forensic Toxicology"; chemist who studied the detection of poisons.
Mathieu Orfila
Leone Latttes
Hans Gross
Albert S. Osborn
Received Nobel Prize for discovering the ABO Blood Types
Karl Landsteiner
Alphonse BErtillon
August Vollmer
Francis Galton
"Father of Criminal Identification"; developed science of anthropometry
Alphonse Bertillon
Arthur Conan Doyle
August Vollmer
Calvin Goddard
Laws based on the Constitution
Statutory
Criminal
Common
Civil
Laws made up of judicial opinions and precedents
Statutory
Criminal
Common
Civil
Laws relating to particular agencies such as the IRS, Social Security, and military
Statutory
Criminal
Common
Administrative
Laws that are developed for preventative or remedial purposes, such as a restraining order
Statutory
Equity
Criminal
Common
Laws that deal with regulation and enforcement of rights
Criminal
Common
Civil
Administrative
Laws that deal with relationships between individuals
Statutory
Criminal
Common
Civil
Arrest warrants and protection against unreasonable searches and seizures
4th Amendment
6th Amendment
7th Amendment
9th Amendment
Freedom of Speech, Religion, Press, Assembly, and Petition
1st Amendment
2nd Amendment
3rd Amendment
4th Amendment
Right to Bear Arms - a well regulated militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed
1st Amendment
2nd Amendment
3rd Amendment
4th Amendment
Rights in Criminal Cases - Grand Jury, Double Jeopardy, Self-Incrimination, Due Process
2nd Amendment
3rd Amendment
4th Amendment
5th Amendment
Right to a Fair Trial - Right to a speedy public trial by an impartial jury with a lawyer for defense
3rd Amendment
4th Amendment
5th Amendment
6th Amendment
DEA stands for
Drug Enforcement Administration
Drug Enforcement Agency
Drug Empowerment Advocate
Drug Enthusiast Academy
FBI stands for
Federal Bureau of Investigation
Federal Bureau of Immigration
Federal Bureau of Illegalization
Federal Bureau of Institution
ATF stands for
Bureau of Alcohol, Tobacco, and Firearms
Alcohol, Tobacco, and Firearms Division
Alcohol, Tobacco, and Forensics
Bureau of Alien, Trident, and Fireworks
USPIS stands for
United States Postal Inspection Service
United States Postal Service
USPIS is not an abbreviation for anthing
United States Postal Service Investigators
BCI stands for
Bureau of Criminal Investigation
Bureau of Crime Integrity
Bureau of Criminal Intent
Bureau of Court Instruction
In what country was the first recorded case of forensic science?
China
United States
Canada
Germany
The Miranda Rights are based on which two amendments of the Bill of Rights?
5th and 6th
1st and 2nd
3rd and 4th
9th and 10th
a location other than where the crime took place, but is in some way related to the crime and where evidence is found
crime scene
primary crime scene
secondary crime scene
class evidence
a written record of all people who have had possession of an item of evidence
control sample
chain of custody
class evidence
first responder
any place where evidence may be located to help explain events
crime scene
individual evidence
secondary crime scene
trace evidence
material that comes from a proven or known source
collusion
crime scene
chain of custody
control sample
small but measurable amounts of physical or biological material found at a crime scene
individual evidence
trace evidence
direct evidence
class evidence
the first police officer to arrive at a crime scene
first responder
district attorney
suspect
witness
the location where the crime took place
primary crime scene
secondary crime scene
victim's home
police station
there is always a cross transfer of evidence between a suspect and victim or locale
chain of custody
Lockard Exchange Principle
District attorney
class evidence
when a witness or suspect creates a story of what happened at a crime
collusion
cross-contamination
separate the witnesses
district attorney
Most wrongful convictions seem to be the result of:
improper evidence collection
faulty eyewitness testimony
contamination of evidence
out of date investigating equipment
Locard's exchange principle implies all of the following EXCEPT:
Fibers can be transferred from on person's clothing to another
Blood at a crime scene can be used to identify blood type
Hair from your pet may be transferred to your clothing
Pollen from plants in your yard may be found on your shoes
A crime scene sketch should include all of the following EXCEPT
A label to indicate the direction of north on the diagram
A scale of size
The location of the crime scene
The type of search pattern detectives used to make the sketch
What is the proper name for this 'ruler' used in photographing crime scene evidence?
Photomicroplastic Scale
Photomacrographic Scale
Photocrosslinear Scale
Photomeasuremarker Scale
It is important to separate witnesses at a crime scene in order to
Protect them in case the perpetrator is among them
Prevent contamination of evidence
Prevent them from forming a collusion
Prevent them from leaving the scene
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
chain of command
chain of custody
continuity of investigation
record of evidence
The best method for collecting small evidence, such as a strand of hair, is to pick it up using:
vacuum
tape lift
forecps
gloves
The first-responding police officer should keep a record of anyone who enters or leaves the crime scene. This is called
chain of command
chain of custody
security log
evidence log
In a crime scene sketch, there should always be an arrow to:
show the direction the suspect entered the scene
show the direction the suspect exited the scene
label the direction of north
indicate where any important evidence is on the sketch
Evidence containing biological evidence such as blood should be stored in what type of container?
Airtight container to prevent evaporation of possible liquids or residues
Breathable container to prevent moisture and mold
Insulated container to prevent temperature fluctuation
Dark container to prevent UV damage
Which container would work best to store arson evidence, such as a charred shirt:
Plastic pill bottle
Metal paint can
Plastic bag
Manila envelope
Initially, all death investigations should be treated as:
Suicide
Homicide
Accidental
Natural
Many lab technicians are used to analyze the various types of evidence found at a crime scene. Where do they send the results of their tests?
To the first responding police officer
To the district attorney
To the lead detective in the case
Tot he judge presiding over the case
Any removal of evidence from a crime scene must be in accordance with what Amendment?
First
Second
Third
Fourth
Evidence containing biological evidence such as blood should be stored in what type of container?
Airtight container to prevent evaporation of possible liquids or residues
Breathable container to prevent moisture and mold
Insulated container to prevent temperature fluctuations
Dark container to prevent UV damage
Arson remains should be stored in which type of container?
Airtight container to prevent evaporation of possible liquids or residues
Breathable container to prevent moisture and mold
Insulated container to prevent temperature fluctuations
Dark container to prevent UV damage
Which container would work best to store arson evidence, such as a charred shirt:
Plastic pill bottle
Metal paint can
Plastic Bag
Manila envelope
Which container would work best to store biological evidence, such as a blood-stained shirt:
Plastic pill bottle
Metal paint can
Plastic bag
Manila envelope
Which container would work best to store trace evidence, such as a small fiber:
Plastic pill bottle
Metal paint can
Plastic bag
Manila envelope
When the person administering a suspect line-up does not know who the suspect is and
makes sure to tell the victim they do not know who the suspect is, this is called a:
Don't ask - don't tell procedure
Double-blind procedure
Sequential line-up procedure
Identification protocol procedure
In order to prevent misidentification, when performing a photo or in person suspect line-up,
suspects should be presented to the victim:
Simultaneously (all at once) in a striaght line for comparison
Individually (one by one)
In whichever manner the victim feels most comfortable with
None of the choices are correct
In 75% of their cases, the Innocence Project has been able to free individuals from prison for wrongful convictions using this type of evidence:
Eyewitness testimony
DNA
Fingerprint
Ballistics
What type of evidence is a drop of blood?
Direct
Circumstantial
What type of evidence is a video recording
Direct
Circumstantial
What type of evidence is a handwritten ransom note?
Direct
Circumstantial
What type of evidence is semen?
Direct
Circumstantial
What type of evidence is a drop of blood?
Physical
Biological
What type of evidence is drugs?
Physical
Biological
What type of evidence is hair?
Physical
Biological
What type of evidence is bullets?
Physical
Biological
What type of evidence is pollen?
Physical
Biological
What type of evidence is a drop of blood (blood type)?
Class
Individual
What type of evidence is a gun?
Class
Individual
What type of evidence is handwriting?
Class
Individual
What type of evidence is a t-shirt?
Class
Individual
What type of evidence is DNA?
Class
Individual
In a crime scene sketch, to show where a dead body or weapon is located, one should measure and draw the distance from the evidence to:
two immovable landmarks
the center of the room
two other pieces of evidencd
the nearest wall
Members of the crime scene investigation team must all wear protective gear to prevent this from happening to the crime scene.
Collusion
Contamination
Contraction
Disruption
The elected or appointed official who represents the government in the prosecution of a crime is called the:
Defense attorney
District attorney
District Representative
Defense council
Which factor affects the amount of evidence transferred during a crime:
Intensity
Nature
Duration
All of these will affect it
A forensic investigator should take blood, hair, and fiber samples from the suspect to compare to those at a crime scene, but they should also take known samples from the victim, family members, and crime scene investigation team. These standard reference samples need to be taken so that it can be compared to evidence found at scene for purpose of:
Documentation
Verification
Inclusion
Exclusion
