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Forensic Science 2020 MidTerm

Total questions: 75

Worksheet time: 38mins

Name
Class
Date
1.

The burden of proof is on the prosecution.

a)

True

b)

False

2.

Eyewitness evidence is more reliable than physical evidence.

a)

True

b)

False

3.

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.

a)

True

b)

False

4.

Disorganized, asocial serial killers are usually of low intelligence, commit their crimes impulsively, and rarely dispose of the body.

a)

True

b)

False

5.

After death, a person’s eyes will always be open.

a)

True

b)

False

6.

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.

a)

True

b)

False

7.

Caliber refers to the internal diameter of a gun barrel.

a)

True

b)

False

8.

The events of 9/11 occurred on November 9th, 2001.

a)

True

b)

False

9.

During the 9/11 attacks, United 93 crashed into the north tower of the World Trade Center around 9am.

a)

True

b)

False

10.

Mitochondrial DNA is used to show a direct connection between a suspect or victim and his/her father or mother.

a)

True

b)

False

11.

Which of the following is not common to most all serial killers?

a)

enuresis or bedwetting

b)

pyromania or firestarter

c)

high IQ

d)

animal cruelty

12.

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?

a)

Power and Control

b)

Visionary

c)

Mission Oriented

d)

Hedonistic Thrill

13.

Which of the following does not describe victims of serial killers?

a)

more female than male

b)

sexually assaulted

c)

kill strangers more than family members

d)

most are young and African-American

14.

Which two terms describes the rifling aspect of a gun barrel?

a)

hills and valleys

b)

lands and grooves

c)

lakes and rivers

d)

lines and dips

15.

Which of the following is found in the cytoplasm of a cell and contains many more times the DNA than nuclear DNA?

a)

mitochondrial DNA (mtDNA)

b)

transitional DNA (tDNA)

c)

lysomatic DNA (lDNA)

d)

enzymatic DNA (eDNA)

16.

Which of the following involves the chemical analysis of body fluids and tissues to determine if a drug or poison is present?

a)

Forensic Entomology

b)

Forensic Toxicology

c)

Forensic Pathology

d)

Forensic Odontology

17.

What field of forensic analysis determines the age, gender, height, and other characteristic of deceased individuals using skeletal remains?

a)

Forensic Serology

b)

Forensic Odontology

c)

Forensic Pathology

d)

Forensic Anthropology

18.

Which juror in 12 Angry Men was the only one to vote not guilty on the first vote?

a)

10

b)

3

c)

5

d)

8

19.

Besides forensic identification through odontology, which of the following is another method used to identify victims?

a)

visual ID either by a relative or by use of some acceptable photo document

b)

identification by fingerprint comparison

c)

identification by anthropological means

d)

identification by analysis and comparison of DNA samples

e)

all of the above are methods used to identify remains

20.

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?

a)

Short Tandem Repeats

b)

Gel electrophoresis

c)

Polymerase Chain Reaction

d)

DNA sequencing

21.

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.

a)

DNA sequencing

b)

Gel electrophoresis

c)

Short Tandem Repeats

d)

DNA Fingerprinting

22.

Besides having a high amount of oxygen in the blood, what other substance/chemical may cause the blood to become bright red?

a)

water

b)

carbon dioxide

c)

salt

d)

carbon monoxide

23.

In the Poisoner's Handbook, what was used to make methanol during the Great Depression?

a)

Corn

b)

Barley

c)

Oats

d)

Wood

24.

Which of the following is the function of the lead officer at a crime scene?

a)

prevent entry to crime scene by bystanders

b)

detain potential suspects

c)

determine the type of scene and its physical boundaries

d)

secure the scene

25.

What organization deals with analysis of inks and papers, and handwritten or typewritten documents?

a)

Bureau of Alcohol, Tobacco, and Firearms

b)

United States Postal Service

c)

Internal Revenue Service

d)

Federal Bureau of Investigation

26.

What method of classification utilized anthropometry to identify criminals from physical features?

a)

the Landsteiner Method

b)

the Vucetich Method

c)

the Jeffrey Method

d)

the Bertillion Method

27.

Which of the following tends to provide the best information related to time of death?

a)

rigor mortis

b)

bloating and green skin color

c)

insect activity

d)

analyzation of food in the digestive tract

28.

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.

a)

corroborating

b)

foundational

c)

trace

d)

presumptive

29.

What federal agency is responsible for analysis of fire scenes that kill people?

a)

FBI

b)

DHS

c)

DEA

d)

BATF

30.

Which of the following is responsible for determining the cause and manner of death?

a)

Forensic Pathology

b)

Forensic Anthropology

c)

Forensic Odontology

d)

Forensic Ballistics

31.

Which of the following is described as premeditated murder?

a)

Capital Murder

b)

First Degree Murder

c)

Aggravated assault

d)

Manslaughter

32.

Which of the following is described as the murder of someone that is a peace officer or a child 6 or under?

a)

First Degree Murder

b)

Capital Murder

c)

Second Degree Murder

d)

Homicide

33.

Who is responsible for proving guilt beyond reasonable doubt?

a)

prosecution

b)

defense

34.

Which of the following statements is correct?

a)

most white murder victims are murdered by black offenders

b)

most black murder victims are murdered by black offenders

c)

males are more likely to be murdered by females than males

d)

females are more likely to be murdered by other females

35.

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.

a)

Power and Control

b)

Lust

c)

Fear

d)

Thrill

36.

Which of the following is not a characteristic of most serial killers?

a)

did poorly in school

b)

trouble holding down jobs

c)

were commonly abused by family members

d)

kill members of another race

37.

On what date was President Kennedy assassinated?

a)

December 7, 1941

b)

April 4, 1959

c)

June 6, 1944

d)

November 22, 1963

38.

According to the Warren Commission, ________ killed Kennedy and _______ killed ______________.

a)

Booth; Ruby; Oswald

b)

SirHan; Ruby; Oswald

c)

Oswald; Ruby; Oswald

d)

Oswald; Ruby; Booth

39.

Which of the following will affect external ballistics?

a)

gravity

b)

moisture in the air

c)

rotation of the Earth

d)

wind resistance

e)

gravity, moisture in the air, rotation of the Earth, wind resistance

40.

When a bullet is fired from a rifle, how many times with the projectile intersect the line of sight?

a)

1

b)

2

c)

3

d)

4

41.

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.

a)

True

b)

False

42.

A test that concludes that the evidence is not blood but it really is blood is called a

a)

false positive, type 1 error

b)

false negative, type 1 error

c)

false positive, type 2 error

d)

false negative, type 2 error

43.

Evidence that is transferred from one person to another without intermediaries is considered indirect transfer.

a)

True

b)

False

44.

Evidence based on inference and not on personal knowledge or observation

a)

circumstantial evidence

b)

incriminating evidence

c)

tainted evidence

d)

foundational evidence

45.

_______________is evidence favorable to the defendant in a criminal trial that exonerates or tends to exonerate the defendant of guilt.

a)

exculpatory evidence

b)

corroborating evidence

c)

circumstantial evidence

d)

rebuttal evidence

46.

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.

a)

True

b)

False

47.

Any evidence that supports an allegation or claim is considered corroborating evidence

a)

True

b)

False

48.

Testimony, objects, documents which, if believed, tends to prove guilt of a crime is called incriminating evidence.

a)

True

b)

False

49.

Which of the following is can affect the rate at which rigor mortis occurs?

a)

temperature

b)

body size

c)

body fat content

d)

temperature, body size, body fat content

50.

To accurately measure the temperature of a corpse using a meat thermometer, you should use what organ?

a)

the stomach

b)

the heart

c)

the liver

d)

the spleen

51.

Besides securing the crime scene, the first officer should collect evidence as quickly as possible to protect against contamination.

a)

True

b)

False

52.

Line, strip, link, zone, wheel, contracting and expanding spirals are all examples of types of searches.

a)

True

b)

False

53.

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.

a)

True

b)

False

54.

Besides photographing and numbering evidence at a crime scene, you should also connect the evidence with a with any artifact.

a)

True

b)

False

55.

Which of the following is not true?

a)

The eyes will begin to develop a cloudy character within minutes of death

b)

The eyeball will become soft as the pressure of the fluid inside of them decreases

c)

The thin film is the result of the build up of calcium due to the breakdown of red blood cells

d)

A person's eyes will be open or closed depending upon how they expired

56.

Which of the following is a characteristic of algor mortis?

a)

the body will cool at around a rate of 1 to 1.5 degrees Celcius per hour until it reaches ambient temperature

b)

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

c)

algor mortis is dependent on the environment around the corpse

d)

all of the answers are correct

57.

Which of the following statements is not correct?

a)

Livor mortis refers to the color of death

b)

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

c)

Livor mortis begins about one hour after death and become fixed within 8-10 hours

d)

If a person is lying in a prone position and fixed lividity is identified on their back, the person may have been moved

58.

Blanching can be used to detect rigor mortis in a corpse.

a)

True

b)

False

59.

Which of the following statements is not true?

a)

Rigor mortis refers the stiffness of the body after death

b)

Rigor mortis begins in the feet, moves to the upper regions of body and then back down to the feet

c)

Rigor mortis can begin within 30 minutes and 6 hours after death.

d)

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

60.

Which of the following statements is not true?

a)

Chewed food travels from the mouth, down the esophagus, to the stomach within seconds

b)

Food passes from the stomach to the large intestine within about 3 hours

c)

Within 8 hours of a meal, most food has traveled halfway through the small intestine

d)

Nutrients are absorbed through the large intestines walls into the bloodstream

e)

In all, it takes about 24 hours for food to be digested.

61.

Post-mortem interval refers to the period of time from death to discovery and is mostly dependent upon the environment.

a)

True

b)

False

62.

Ocular petichiae, or tiny, pinpoint hemorrhages around the eyes are possible signs of strangulation.

a)

True

b)

False

63.

Homicide, suicide, undetermined, accidental, and natural all describe possible causes of death.

a)

True

b)

False

64.

When someone has been poisoned by carbon monoxide, the main pattern of injury is

a)

red coloration of the skin

b)

blue coloration around the eyes

c)

hemorrhaging in the eyes

d)

bleeding around the mouth

65.

A person with O+ blood type was suspected of a homicide. Which of the following is true about this person?

a)

They do not have the Rh factor

b)

They can receive any other blood type

c)

Their mother and father had to have O type blood

d)

They have antibodies against A and B type blood

66.

Determination of blood type can easily determine that a person is the father of a child.

a)

True

b)

False

67.

The "speedy trial" law requires that an accused person be brought to trial within a specified window of time after arrest.

a)

True

b)

False

68.

Which of the following was not presented as evidence in 12 Angry Men?

a)

The knife that was used in the crime

b)

Visual identification of the suspect

c)

Audible evidence of the crime

d)

Video tape of the crime

69.

Locard’s exchange principle implies all of the following except:

a)

Hair from your pet may be transferred to your clothing.

b)

Fibers can be transferred from one person’s clothing to another.

c)

Blood at a crime scene can be used to identify blood type.

d)

Pollen from plants in your yard may be found on your shoes.

70.

Which factor affects the amount of evidence transferred during a crime?

a)

environment

b)

duration

c)

intensity

d)

All factors will affect it

71.

The search for physical evidence at a crime scene

a)

necessitates that only those individuals with specific training in forensic evidence collection be present.

b)

begins with the police chief, who maintains ultimate responsibility for the crime scene

c)

must be thorough and systematic.

d)

must be started immediately so as not to lose any evidence.

72.

Which of the following is not a characteristic of a reliable scientific method?

a)

formulating hypotheses

b)

questioning authority and scientific laws

c)

making observations

d)

analyzing evidence

73.

What is scientific data called when used in a courtroom setting to establish the connection of a person to a crime?

a)

evidence

b)

testimony

c)

hearsay

74.

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.

a)

True

b)

False

75.

The fundamental purpose of the criminal justice system is:

a)

punish the convicted

b)

prove innocence until found guilty

c)

to protect the rights of the accused