WorksheetsForensics: Semester One Final Review
Total questions: 75
Worksheet time: 38mins
Where would insects first colonize on a body?
knife wound in the stomach
leg
mouth
both the knife wound and the mouth
What type of fingerprint pattern is this?
Central Pocket Whorl
Loop
Arch
Plain Whorl
Which of the following involves forming a hypothesis of the sequence of events from before the crime was committed through its commission?
Locard's principle
crime scene investigation
crime scene reconstruction
trace evidence
What would be the first step to recovering shoe impression evidence?
dusting the print
lifting the print
photographing the print
casting the impression
Dr. Neal Haskell found there is ____ difference between a decaying pig and a decaying human in terms of its rate of decomposition
slight
no
major
very different
Prints that you cannot see are called
latent
patent
plastic
hidden
Odorous gases emitted from a corpse are caused by
flies
beetles
bacteria
maggots
Which flies would be first to be identified in the lab to determine the maximum ADD?
it doesn't matter
oldest
youngest
Select all of the following that bugs can tell us about a body (select all that apply)
location
age of the victim
location of injuries on the body
how long the body has been there
When drawing evidence into a crime scene, it is important to measure the item or body from ___ _____ points.
one, movable
two, movable
one, immovable
two, immovable
Which of the following can be determined by shoe impression evidence?
gait or walking habits
walking vs. running
injury or limp
all of these are correct
Fingerprint pattern in which ridges enter and leave on the same side of the finger
plain arch
radial arch
loop
whorl
Fingerprint pattern in which ridges on one side of the finger and leave on the other and has no delta.
loop
plain whorl
arch
central pocket whorl
If someone implicates themselves in a crime through a confession, this would be considered ___ evidence
trace
direct
circumstantial
biological
The only scale pattern the cuticle of a human hair can have is ___
spinous
imbricate
coronal
it can have any of these
What does the acronym AFIS stand for?
Automated Fingerprint Index System
Automated Fingerprint Identification System
Automatic Fingerprint Index System
Agency for Fingerprint ID and Storage
This is a ridge pattern that has a central spiral, oval or variant of a circle.
Loop
Whorl
Arch
Central Pocket Whorl
What type of print does the Henry Classification System care about?
Arches
Plain Whorls only
Whorls
Loops
How can you tell a radial loop from an ulnar loop?
The radial loop forms an "R" while the ulnar loop forms an "U"
Radial loops are larger
Radial is on the left hand while ulnar is on the right hand
The direction of the loop opening
Which of the following is true of inking someone's fingerprints?
Fingers are rolled laterally and thumbs are rolled medially.
Fingers are rolled medially and thumbs are rolled laterally.
An individual is always responsible for inking their own.
Inked prints are never entered into the database.
All of the following are whorl patterns except:
Tented
Double Loop
Accidental
Central Pocket
What type of fingerprint pattern has no delta?
Arches
Accidentals
Loops
Whorls
What does the time between death and discovery called PMI stand for?
pre mortem interval
post memory interval
post murder interval
post mortem interval
What is an important factor that affects insect development?
moisture
pressure
temperature
barometer
Blowflies undergo a process called _____ metamorphosis in their life cycle
indirect
direct
complete
incomplete
When collecting insect evidence, which of the following is important for documentation?
body temperature
ambient temperature
soil temperature
all of these are important
Hair and fibers are considered what kind of evidence?
Individual
Class
Direct
Indirect
What part of the hair carries the pigmentation to determine the color?
cortex
cuticle
scale
medulla
What can we determine from this hair
It is human because of the intermittent medulla present
It is animal because of the intermittent medulla present
It is animal hair due to the color of the cortex
There is no medulla present so we don't know
What larval stage is this larva in?
1st instar
2nd instar
3rd instar
4th instar
What is the immature form of an animal, like a maggot, called
larva
egg
pupa
adult
Class evidence narrows an identity to
a group of persons or things
a subgroup
an individual person or thing
an individual person
Hair analysis can determine which of the following: (select all that apply)
age
drug use and toxin exposure
location from the body (i.e. armpit, head, pubic)
death
What is the first priority to securing the scene?
separating witnesses
preservation of evidence
taking photographs
safety
The temperature from the maggot mass will always be ___ to the ambient temperature
higher
lesser
equivalent
proportional
Class or Individual Evidence: Imprint or specific damage to the sole of a shoe
Class
Individual
Class or Individual Evidence: textile fiber
Class
Individual
Class or Individual Evidence: ABO blood type
Class
Individual
Class or Individual Evidence: DNA recovered from saliva
Class
Individual
Class or Individual Evidence: hair with no follicular tag
Class
Individual
Class or Individual Evidence: tread pattern impression from the sole of a shoe
Class
Individual
Physical or Biological Evidence: fingerprints
Physical
Biological
Physical or Biological Evidence: blood
Physical
Biological
Physical or Biological Evidence: saliva
Physical
Biological
OJ Simpson was convicted in a criminal trial for the murder of Nicole Brown Simpson and Ronald Goldman due to the shoe impressions left by his size 12 Bruno Magli shoes.
True
False
Fingerprint powders come in a variety of compositions and colors.
True
False
An evidence log and a chain of custody must be attached to the evidence container.
True
False
Because each DNA molecule is composed of two strands, DNA is known as a double helix.
True
False
Population genetics is the study of the variation in genes among a group of individuals.
True
False
Kirk Bloodsworth was the first death row inmate to be exonerated due to DNA evidence.
True
False
During decomposition, the corpse is an environment that changes. Different organisms live on the corpse at different times, and this occurs in a predictable pattern. This is an example of..
accumulated degree days
insect succession
primary succession
accumulated degree hours
What was troublesome with the JonBenet Ramsey case?
The case was not troublesome and was "open and shut"
Her mother's fingerprints were on the murder weapon.
The crime scene was not secured and proper crime scene protocol was not followed.
Her blood was found in her father's car.
The fingerprint pattern accounting for only 5% of all known patterns is
arch
loop
plain whorl
central pocket whorl
Trace evidence would include: (select all that apply)
fingerprints found on a glass
blood drops on a shirt
hair found on a brush
the gun used in a crime
What attracts blowflies to a dead body?
gases
color
bacteria
movement
Perception:
is faulty
is not always accurate
does not always reflect reality
all of these are correct
You found a hair and determined it has a spinous scale pattern. What does this tell you?
There is not enough information here to determine anything
It is not a hair, but probably a synthetic fiber
It is a hair, but it is not human
It is a hair, most likely human
Which of the following explains how evidence is left at or taken from a crime scene by a perpetrator, investigator, or any witness who enters the scene?
trace evidence
Locard's Principle
direct evidence
securing the scene
When viewing a hair microscopically, one would make observations and try to view and describe the following features of the hair:
weave pattern and twist direction
the pigmentation of the cortex, the pattern of the medulla, and cuticle scale pattern
the pigmentation of the medulla, the pattern of the cuticle, and cortex scale pattern
the pigmentation of the cuticle, the medulla scale pattern, and the pattern of the cortex
The goal of crime scene investigation is to:
recognize evidence at the scene of a crime
document evidence at the scene of a crime
collect evidence at the scene of a crime
all of these choices
Circumstantial evidence is:
direct evidence that can be used to imply a fact, but does not directly prove it
indirect evidence that can be used to imply a fact, but does not directly prove it
indirect evidence that cannot be used to imply a fact
none of these choices
Except for identical twins, no two people on earth have the same:
physical characteristics
DNA
blood group
skeletal type
In the nucleus of most human body cells, there are:
23 pairs of chromosomes
46 pairs of chromosomes
92 chromosomes
none of these choices
One of two or more alternative forms of a gene is:
a chromosome
DNA
an allele
RNA
DNA sequences with a high degree of polymorphism are ____ useful for DNA analysis
least
most
not
none of these choices
In gel electrophoresis, what caused the DNA fragments to separate?
DNA is positively charged and moved towards the positive end.
DNA is positively charged and moved towards the negative end.
DNA is negatively charged and moved towards the negative end.
DNA is negatively charged and moved towards the positive end.
What is the purpose of the AMEL locus?
it provides gender information in a DNA profile
it provides individual evidence
it is always the shortest restriction fragment
it is one of the 13 core STR loci
Why is the use of familial DNA controversial when it is useful for solving cases?
innocent people are investigated
possible violation of 4th amendment rights
people provide evidence regardless of guilt
all of these are correct
What do the peaks on an electropherogram represent?
number of repeats of an STR loci
gel electrophoresis results
VNTR lengths
RFLP repeats
Who is the most amazing student that I have ever had, is a beautiful young mind with so much potential, and is someone that I enjoy getting to spend the year with and believe they are going to do PHENOMENAL on this test because they are also, amazing?
I am!
Me!
It's me silly =)
That is I, of course.
