WorksheetsForensic Science 2020 MidTerm
Total questions: 75
Worksheet time: 38mins
The burden of proof is on the prosecution.
True
False
Eyewitness evidence is more reliable than physical evidence.
True
False
The main difference between civil and criminal cases is that criminal cases usually involve private disputes between persons or organizations, while civil cases involve an action that is considered to be harmful to society as a whole, and to the state.
True
False
Disorganized, asocial serial killers are usually of low intelligence, commit their crimes impulsively, and rarely dispose of the body.
True
False
After death, a person’s eyes will always be open.
True
False
According to the Warren Commission and related to the autopsy report, the cause of Kennedy’s death was a gunshot wound that was fired from a point behind and somewhat above the level of the deceased.
True
False
Caliber refers to the internal diameter of a gun barrel.
True
False
The events of 9/11 occurred on November 9th, 2001.
True
False
During the 9/11 attacks, United 93 crashed into the north tower of the World Trade Center around 9am.
True
False
Mitochondrial DNA is used to show a direct connection between a suspect or victim and his/her father or mother.
True
False
Which of the following is not common to most all serial killers?
enuresis or bedwetting
pyromania or firestarter
high IQ
animal cruelty
There are many motives for serial killers to commit crimes. Which of the following involves justification for their acts based on the basis that they are getting rid of a certain type of person, i.e. prostitute?
Power and Control
Visionary
Mission Oriented
Hedonistic Thrill
Which of the following does not describe victims of serial killers?
more female than male
sexually assaulted
kill strangers more than family members
most are young and African-American
Which two terms describes the rifling aspect of a gun barrel?
hills and valleys
lands and grooves
lakes and rivers
lines and dips
Which of the following is found in the cytoplasm of a cell and contains many more times the DNA than nuclear DNA?
mitochondrial DNA (mtDNA)
transitional DNA (tDNA)
lysomatic DNA (lDNA)
enzymatic DNA (eDNA)
Which of the following involves the chemical analysis of body fluids and tissues to determine if a drug or poison is present?
Forensic Entomology
Forensic Toxicology
Forensic Pathology
Forensic Odontology
What field of forensic analysis determines the age, gender, height, and other characteristic of deceased individuals using skeletal remains?
Forensic Serology
Forensic Odontology
Forensic Pathology
Forensic Anthropology
Which juror in 12 Angry Men was the only one to vote not guilty on the first vote?
10
3
5
8
Besides forensic identification through odontology, which of the following is another method used to identify victims?
visual ID either by a relative or by use of some acceptable photo document
identification by fingerprint comparison
identification by anthropological means
identification by analysis and comparison of DNA samples
all of the above are methods used to identify remains
Which of the following is a technique used in molecular biology to amplify a single copy or a few copies of a segment of DNA?
Short Tandem Repeats
Gel electrophoresis
Polymerase Chain Reaction
DNA sequencing
Which of the following is a laboratory method used to separate mixtures of DNA, RNA, or proteins according to molecular size? In this process, molecular segments, cut by restrictive enzymes, move through a medium, pushed by an electrical field.
DNA sequencing
Gel electrophoresis
Short Tandem Repeats
DNA Fingerprinting
Besides having a high amount of oxygen in the blood, what other substance/chemical may cause the blood to become bright red?
water
carbon dioxide
salt
carbon monoxide
In the Poisoner's Handbook, what was used to make methanol during the Great Depression?
Corn
Barley
Oats
Wood
Which of the following is the function of the lead officer at a crime scene?
prevent entry to crime scene by bystanders
detain potential suspects
determine the type of scene and its physical boundaries
secure the scene
What organization deals with analysis of inks and papers, and handwritten or typewritten documents?
Bureau of Alcohol, Tobacco, and Firearms
United States Postal Service
Internal Revenue Service
Federal Bureau of Investigation
What method of classification utilized anthropometry to identify criminals from physical features?
the Landsteiner Method
the Vucetich Method
the Jeffrey Method
the Bertillion Method
Which of the following tends to provide the best information related to time of death?
rigor mortis
bloating and green skin color
insect activity
analyzation of food in the digestive tract
Fibers, hair, soil, wood, gunshot residue and pollen are only a few examples of ____ evidence that may be transferred between people, objects, or the environment during a crime.
corroborating
foundational
trace
presumptive
What federal agency is responsible for analysis of fire scenes that kill people?
FBI
DHS
DEA
BATF
Which of the following is responsible for determining the cause and manner of death?
Forensic Pathology
Forensic Anthropology
Forensic Odontology
Forensic Ballistics
Which of the following is described as premeditated murder?
Capital Murder
First Degree Murder
Aggravated assault
Manslaughter
Which of the following is described as the murder of someone that is a peace officer or a child 6 or under?
First Degree Murder
Capital Murder
Second Degree Murder
Homicide
Who is responsible for proving guilt beyond reasonable doubt?
prosecution
defense
Which of the following statements is correct?
most white murder victims are murdered by black offenders
most black murder victims are murdered by black offenders
males are more likely to be murdered by females than males
females are more likely to be murdered by other females
Of the types of hedonistic serial killers, which one is described as an action that is not prolonged and there is no sexual aspect. These killers abstain from killing for long periods of time and tend to become more successful over time.
Power and Control
Lust
Fear
Thrill
Which of the following is not a characteristic of most serial killers?
did poorly in school
trouble holding down jobs
were commonly abused by family members
kill members of another race
On what date was President Kennedy assassinated?
December 7, 1941
April 4, 1959
June 6, 1944
November 22, 1963
According to the Warren Commission, ________ killed Kennedy and _______ killed ______________.
Booth; Ruby; Oswald
SirHan; Ruby; Oswald
Oswald; Ruby; Oswald
Oswald; Ruby; Booth
Which of the following will affect external ballistics?
gravity
moisture in the air
rotation of the Earth
wind resistance
gravity, moisture in the air, rotation of the Earth, wind resistance
When a bullet is fired from a rifle, how many times with the projectile intersect the line of sight?
1
2
3
4
Chain of Custody includes the transfer of evidence to the lab, filling out a form describing evidence and examinations that are necessary, and assignment of a number in the case.
True
False
A test that concludes that the evidence is not blood but it really is blood is called a
false positive, type 1 error
false negative, type 1 error
false positive, type 2 error
false negative, type 2 error
Evidence that is transferred from one person to another without intermediaries is considered indirect transfer.
True
False
Evidence based on inference and not on personal knowledge or observation
circumstantial evidence
incriminating evidence
tainted evidence
foundational evidence
_______________is evidence favorable to the defendant in a criminal trial that exonerates or tends to exonerate the defendant of guilt.
exculpatory evidence
corroborating evidence
circumstantial evidence
rebuttal evidence
Hearsay evidence is testimony that is given by a witness who related not what he or she knows or saw personally, but what others know or saw.
True
False
Any evidence that supports an allegation or claim is considered corroborating evidence
True
False
Testimony, objects, documents which, if believed, tends to prove guilt of a crime is called incriminating evidence.
True
False
Which of the following is can affect the rate at which rigor mortis occurs?
temperature
body size
body fat content
temperature, body size, body fat content
To accurately measure the temperature of a corpse using a meat thermometer, you should use what organ?
the stomach
the heart
the liver
the spleen
Besides securing the crime scene, the first officer should collect evidence as quickly as possible to protect against contamination.
True
False
Line, strip, link, zone, wheel, contracting and expanding spirals are all examples of types of searches.
True
False
Once at a crime scene, you should mentally construct the events that might have led to the crime and the form a fixed theory of the crime.
True
False
Besides photographing and numbering evidence at a crime scene, you should also connect the evidence with a with any artifact.
True
False
Which of the following is not true?
The eyes will begin to develop a cloudy character within minutes of death
The eyeball will become soft as the pressure of the fluid inside of them decreases
The thin film is the result of the build up of calcium due to the breakdown of red blood cells
A person's eyes will be open or closed depending upon how they expired
Which of the following is a characteristic of algor mortis?
the body will cool at around a rate of 1 to 1.5 degrees Celcius per hour until it reaches ambient temperature
temperature changes in the corpse can play a particularly important role in establishing the PMI, which in turn helps to reconstruct the chronology and circumstances surrounding death
algor mortis is dependent on the environment around the corpse
all of the answers are correct
Which of the following statements is not correct?
Livor mortis refers to the color of death
fixed lividity, or hypostasis, occurs when the blood stops flowing and settles to the parts of the body that are in contact with a surface
Livor mortis begins about one hour after death and become fixed within 8-10 hours
If a person is lying in a prone position and fixed lividity is identified on their back, the person may have been moved
Blanching can be used to detect rigor mortis in a corpse.
True
False
Which of the following statements is not true?
Rigor mortis refers the stiffness of the body after death
Rigor mortis begins in the feet, moves to the upper regions of body and then back down to the feet
Rigor mortis can begin within 30 minutes and 6 hours after death.
Once the body is in rigor, it will remain in that state for about 12 hours and then it will take another 12-24 hours for the body to become flaccid again
Which of the following statements is not true?
Chewed food travels from the mouth, down the esophagus, to the stomach within seconds
Food passes from the stomach to the large intestine within about 3 hours
Within 8 hours of a meal, most food has traveled halfway through the small intestine
Nutrients are absorbed through the large intestines walls into the bloodstream
In all, it takes about 24 hours for food to be digested.
Post-mortem interval refers to the period of time from death to discovery and is mostly dependent upon the environment.
True
False
Ocular petichiae, or tiny, pinpoint hemorrhages around the eyes are possible signs of strangulation.
True
False
Homicide, suicide, undetermined, accidental, and natural all describe possible causes of death.
True
False
When someone has been poisoned by carbon monoxide, the main pattern of injury is
red coloration of the skin
blue coloration around the eyes
hemorrhaging in the eyes
bleeding around the mouth
A person with O+ blood type was suspected of a homicide. Which of the following is true about this person?
They do not have the Rh factor
They can receive any other blood type
Their mother and father had to have O type blood
They have antibodies against A and B type blood
Determination of blood type can easily determine that a person is the father of a child.
True
False
The "speedy trial" law requires that an accused person be brought to trial within a specified window of time after arrest.
True
False
Which of the following was not presented as evidence in 12 Angry Men?
The knife that was used in the crime
Visual identification of the suspect
Audible evidence of the crime
Video tape of the crime
Locard’s exchange principle implies all of the following except:
Hair from your pet may be transferred to your clothing.
Fibers can be transferred from one person’s clothing to another.
Blood at a crime scene can be used to identify blood type.
Pollen from plants in your yard may be found on your shoes.
Which factor affects the amount of evidence transferred during a crime?
environment
duration
intensity
All factors will affect it
The search for physical evidence at a crime scene
necessitates that only those individuals with specific training in forensic evidence collection be present.
begins with the police chief, who maintains ultimate responsibility for the crime scene
must be thorough and systematic.
must be started immediately so as not to lose any evidence.
Which of the following is not a characteristic of a reliable scientific method?
formulating hypotheses
questioning authority and scientific laws
making observations
analyzing evidence
What is scientific data called when used in a courtroom setting to establish the connection of a person to a crime?
evidence
testimony
hearsay
A judge decides if someone is qualified as an expert witness and a forensic scientist is an expert and his/her testimony is based on fact rather than their expert opinion.
True
False
The fundamental purpose of the criminal justice system is:
punish the convicted
prove innocence until found guilty
to protect the rights of the accused
