WorksheetsFirst Semester Finals Review
Total questions: 30
Worksheet time: 20mins
Which of these is an example of individual evidence?
Fingerprint
Blood type
Fiber
Shoeprint
The fingerprint pattern shown in the photo is a/an __________.
arch
whorl
ulnar loop
radial loop
How large should a fingerprint be for a positive match?
At least half of the fingerprint
The entire fingerprint
Large enough for 5 minutiae to be clearly identified
Large enough for 8-12 minutiae to be clearly identified
Which of these is considered direct evidence in a criminal investigation?
Hair with follicle
Fiber
Witness testimony
Glass
According to Locard's Exchange Principle:
Every contact leaves a trace.
For evidence to be admissible in court, a chain of custody must be properly maintained.
To be admissible in court, an expert's opinion must be generally accepted by the relevant scientific community.
To be admissible in court, a methodology or technique should have a known error rate.
Who should maintain the chain of custody?
The first responding officer
The lead investigator
Everyone who handles the evidence
The forensic scientist who analyzes the evidence
A fingerprint impression left on a soft, moldable material such as soap or clay is classified as ________.
latent
plastic
visible
distinct
Which statement is true about crime scene sketches?
A rough sketch is only made when no camera is available.
Both rough and final sketches should be made at the crime scene.
Both rough and final sketches must be drawn to scale.
Only the rough sketch shows measurements of distance between evidence and fixed points.
The first step in a crime scene investigation is:
Scanning the scene
Sketching the scene
Securing the scene
Separating the witnesses
What is Accumulated Degree Hour?
The temperature below which no insect growth occurs.
The number of hours it takes for an insect species to become an adult.
The number of hours a body has been dead.
The amount of thermal energy needed for an insect to grow from one stage to the next.
What is insect succession?
The sequence in which an egg becomes an adult fly.
A sequence of changing species that inhabit a decomposing body.
The depositing of eggs.
When the alpha fly is overthrown by his son.
What can entomologists know by studying the insects at a crime scene?
who the victim is
time since death
who probably commited the crime
cause of death
Stage of decomposition characterized by the production of gases like methane and hydrogen sulfide that causes the body to increase in size.
bloating
active decay
fresh stage
dessication
The specific body failure that leads to a person's death is called _______.
An old woman dies peacefully in her sleep. There is no sign of foul play. What is her manner of death?
accidental
homicidal
natural
undetermined
Who declares a body dead?
Medical Examiner
Blood Spatter Analyst
Forensic Entomologist
Forensic Anthropologist
Which of the following is a mechanism of death?
exsanguination
heart attack
natural death
cancer
In the life cycle of a flesh-eating beetle or fly, what stage comes after the larva stage?
Egg
Adult
Pupa
Maggot
When a person dies, their body loses heat energy and the temperature of the corpse will decrease until an equilibrium is reached. This is known as ____.
Rigor Mortis
Livor Mortis
Algor Mortis
Decomposition
The victim’s body is not rigid and is warm. How long has she been dead?
0-2 hours
2-6 hours
15-36 hours
36-48 hours
What main fingerprint pattern is this? (Right Hand)
Arch
Plastic
Loop
Whorl
When are fingerprints formed?
When you are a teenager
During fetal development/in the womb
By the time you are two years old
At birth
What type of fingerprint is this?
Central Pocket Whorl
Plain Whorl
Accidental Whorl
Double Loop Whorl
What type of fingerprint is this?
Central Pocket Whorl
Ulnar Loop
Accidental Whorl
Double Loop Whorl
On the left hand, you have a loop that opens toward your thumb. What is that loop called?
ulna loop
plain loop
tented loop
radial loop
If the line between the deltas does NOT cut through the ridge line circles, what kind of whorl is it?
Double Loop Whorl
Plain Whorl
Central Pocket Whorl
Arch Whorl
Which is the best way to package a piece of evidence soaked with blood?
pack in a tightly sealed plastic bag to prevent the spread of blood borne pathogens
air dry completely before packing in a paper bag or box
pack in a tightly sealed glass container
pack in any airtight container to prevent leakage
A dead body discovered around 2 pm inside an office building had a rectal temperature of 91.1 degrees Fahrenheit. Assuming that the deceased has a normal body temperature of 98.6 degrees Fahrenheit before death, and that temperature drops at a rate of 1.5 degrees Fahrenheit per hour, what are the estimated postmortem interval and time of death?
2 hours, 12 pm
4 hours, 10 am
5 hours, 9 am
5 hours, 7 pm
