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WorksheetsForensic Fall Final Review
Total questions: 61
Worksheet time: 53mins
Knowing the shoe size of a bloody footprint tells us that someone with that shoe size was at the scene, this is an example of _____.
discriminating evidence
class evidence
differentiated evidence
individual evidence
During Step 4 of the seven S’s of crime scene investigation, two fixed reference points are used for _____.
search patterns
securing the crime scene
primary and secondary determinations
triangulation
The _____ must be attached to every evidence container.
procedural number and the control samples
control sample and collection record
evidence log and a chain of custody document
exclusionary documentation and evidence status
An example of qualitative data documented at a crime scene is _____.
length of a stain
blood volume
one kilo of cocaine
yellow liquid
After evaluating hundreds of wrongful convictions, the Innocence Project found that _____.
errors in eyewitness identification occurred when investigators failed to use a lineup
faulty eyewitness identification contributed to up to 70 percent of wrongful convictions
most eyewitnesses were able to correctly identify the age and distinctive facial features
eyewitness identification rarely contributed to wrongful convictions
If a cat hair is found on the clothing of a body, but the victim did not have pets, the hair is likely a result of _____.
staged evidence
secondary transfer
a compromised scene
poor collection practices
The telogen stage of the life cycle of hair is the _____.
period of active growth
stage when hairs are easily lost
final stage of the cycle
time when hair stops growing
The medullary index _____.
cannot be differentiated between humans and animals
is much thicker in nonhumans
ranges from 0.33 to 0.5 for all human or animal hair
is the sum of the diameter and the hair length
The cuticle of humans have _____.
scales that resemble petals
scales like stacks of crowns
flattened scales
imbricate scales
Collection of fibers at a crime scene _____.
should be done as early as possible in an investigation
needs to include fibers from the carpeting in the house
can be the last task of the crime scene investigators
will focus on common fibers of textiles from the scene
_____ are preferred locations for blow fly egg disposition on a victim’s body.
Areas with abundant hair
Wounds or injury sites
Exposed, intact skin
Internal organs
_____ fractures are shell-like curved lines.
Conchoidal
Concentric
Heat
Sequence
The last stage of decomposition is also called _____.
putrefaction
advanced decay
skeletal or dry
active decay
According to the PMI estimate "Rule of Thumb," if a body feels warm and is stiff, it has been dead _____.
3 to 8 hours
up to 2 hours
roughly 12 hours
less than 1 hour
_____ autopsies are performed by medical professionals who will provide expert witness testimony on both medical and legal issues.
Forensic
Clinical
Diagnostic
Biochemical
The female pelvic area has a _____.
longer tailbone with a sacrum curved inward
wider pubis body width than that of a male
subpubic angle of greater than 90 degrees
narrower ilium than a male pelvic area
Babies are born with almost 300 bones that gradually fuse to form _____ adult bones.
206
212
202
216
Using _____ of skeletal remains, a scientist can determine where a person lived.
high-resolution scans
DNA phenotyping
Snapshot®
isotope ratio analysis
Which term describes the projection of the upper and/or lower jaw beyond the face?
Premaxillary
Jawboning
Pococurantism
Prognathism
What is the last step in the seven S’s of crime scene investigation?
Search for evidence in the scene
Sketching the scene for records
Secure the collected evidence
Separate the witnesses early
Match each mortis type to its definition.
Algor mortis: postmortem body temperature decline
All types: immediate decomposition without change
Livor mortis: postmortem blood pooling discoloration
Rigor mortis: postmortem muscle stiffening process
Prognathism most directly affects which measurement during skeletal facial profiling?
Mandibular condyle wear assessment
Orbital shape in eye socket analysis
Jaw projection relative to facial plane
Cranial suture fusion timing signs
Light-weight Analyzer for Buried Remains and Decomposition Odor Recognition (LABRADOR) is primarily used as which type of forensic device?
chemical scent analyzer for decomposition odors
less invasive form of autopsy for cadavers
microbial comparison tool for soil samples
scanner used to create a model of the skull
The first responding law enforcement officer should secure the crime scene.
True
Only after evidence is photographed
Only detectives should secure scenes
The human brain can process information directly from perception to long-term memory without intermediate steps.
False
Only under extreme stress
Only for familiar faces
A witness who is lying will repeat the events exactly the same every time.
False
Only if coached by police
Only in court testimony
In humans, the cortex is the smallest part of the hair shaft.
False
Only in infants
Only in bleached hair
Hair without nuclear DNA analysis can be used as class evidence to exclude a suspect.
False
Only if the root is present
True
Rope is simply a very thick yarn.
False
True
A forensic anthropologist analyzes skeletal remains to determine age, sex, stature, and ethnicity.
True
False
A biological profile consists of ..
Gender, age, height, ethnicity
Gender, weight, height, ethnicity
Gender, age, height, profession
time of death
Forensic Anthropologists study _________
bones
blood
missing persons
ancient societies
small but measurable amount of physical or biological material.
Catagen
Telogen
Trace Evidence
Remains were found out in the forest. The anthropologist notices that the frontal bone had been broken by a by what seems to be a blunt trauma. There is no signs of remodeling, and the bone is uniform/ similar in color to all the other parts of the skull. This most likely means that the injury was which of the following?
Antemortem injury
Postmortem injury
Perimortem injury
Pallor mortis injury
Remains were found out in the desert. The anthropologist notices that the femur had been broken, but shows signs of remodeling,this means that the break in the femur was which of the following?
Rigor mortis injury
Perimortem injury
Post mortem injury
Antemortem injury
A crime scene sketch is a required part of an investigation.
True
False
The first job of a police officer is to
take photographs
secure the area with crime scene tape
make sure the scene is safe
gather evidence
What is the first "S" in the 7 S's of Crime Scene Investigation?
Search for Evidence
Scan the scene
Separate the Witnesses
Secure the scene
A location other than where the crime took place, but is in the same way related to the crime and where evidence is found
Primary Crime Scene
Secondary Crime Scene
Trace Evidence
What does Locard's exchange principle state?
Every crime will be solved
Every contact leaves trace evidence
All physical evidence provides information
Crimes cannot be solved without physical evidence
What should be included in a rough sketch of a crime scene?
North Labeled
Measured distances of all evidence
Only the evidence and not any surrounding items
Write "to scale"
In order for an officer to figure out what actually happened, it is common practice to
speak with the witnesses in a group setting
speak with the witnesses individually
only speak with the witnesses who have pertinent information
What cuticle type is in the picture?
Coronal
Imbricate
Spinous
Is this hair animal or Human?
animal hair
human hair
A young child is kidnapped from her school playground. Shown below is a reference sample of the kidnapped child's hair. The only cars that left the parking lot before the child was discovered to be missing were those of four cafeteria workers. The car of each worker was searched below. Which recovered hair, if any, is consistent with that of the victim and warrants further investigation?
Worker A
Worker B
Worker C
Worker D
crown-like scales pattern which are commonly found in hairs of small rodents and dogs.
Coronal Pattern
Spinous Pattern
Imbricate Pattern
A hair without the -------- and its ------- --- cannot provide individual evidence
Follicle
Cortex
Melanin Granules
Nuclear DNA
Bits of pigment found in the cortex of a hair:
keratin granules
fibrin
melanin granules
cuticles
