True/False: Our emotional state influences our ability to see and hear what is happening around us.
Answer: True
True/False: Our emotional state influences our ability to see and hear what is happening around us.
Answer: True
Answer: True
True/False: Detectives look for leads by interviewing witnesses and talking to the crime scene investigators about the evidence.
True/False: Detectives look for leads by interviewing witnesses and talking to the crime scene investigators about the evidence.
Answer: True
True/False: Through our senses of sight, taste, hearing, smell, and touch, we gather information every single moment about what is around us.
True/False: Through our senses of sight, taste, hearing, smell, and touch, we gather information every single moment about what is around us.
Answer: True
True/False: Experts cannot agree on a single definition of death.
True/False: Experts cannot agree on a single definition of death.
Answer: True
A forensic examiner looks at injuries to try to determine their cause and severity. The appearance and extent of the injuries will depend on
A forensic examiner looks at injuries to try to determine their cause and severity. The appearance and extent of the injuries will depend on
A. how much force has been applied to the body
B. how much surface area and mass the weapon has
C. the specific part of the body that has been injured
D. all of these choices
Answer: D
A heavy weapon swung by a very strong man will cause a very serious injury because
A heavy weapon swung by a very strong man will cause a very serious injury because
A. a strong man is very tall
B. the victim is weaker than the assailant
C. of the relationship between mass, acceleration, and force
D. because pressure equals force divided by surface area
Answer: C
Internal contusions are detected by
Internal contusions are detected by
A. observing skin contusions
B. using a CT scan
C. tracing the depth of a chop wound
D. none of these choices
Answer: B
Defensive incised wounds are most often found in
Defensive incised wounds are most often found in
A. a victim's facial muscles
B. a victim's abdomen and legs
C. a victim's hands and forearms
D. none of these choices
Answer: C
Among a murder victim's wounds is a deep cut in his upper arm and a crushed bone beneath the cut. The pathologist suggests that the weapon used could have been
Among a murder victim's wounds is a deep cut in his upper arm and a crushed bone beneath the cut. The pathologist suggests that the weapon used could have been
A. an axe
B. a meat cleaver
C. a machete
D. all of these choices
Answer: A
Evidence that a victim was struck from behind with a steel rod includes
Evidence that a victim was struck from behind with a steel rod includes
A. a patterned contusion on the victim's head
B. a narrow, penetrating stab wound in the victim's lower back
C. a wide, irregular contusion across the back of the victim's shoulders
D. a narrow impact abrasion on the back of the victim's head
Answer: D
A pathologist might conclude that an injury is a patterned abrasion when
A pathologist might conclude that an injury is a patterned abrasion when
A. small pieces of debris are found in the victim's skin
B. the skin on the victim's forehead is crushed
C. a victim's body shows the signs of multiple stab wounds
D. a beating on the victim's legs show tread marks, as from a running shoe
Answer: D
Sharp-force trauma may be caused by
Sharp-force trauma may be caused by
A. a club
B. a monkey wrench
C. an ice pick
D. none of these choices
Answer: C
A pathologist concludes that a murder weapon was a pair of scissors because
A pathologist concludes that a murder weapon was a pair of scissors because
A. the wounds are very long a straight
B. the wounds are split with rough edges
C. the wounds are in pairs that are always the same distance apart
D. none of these choices
Answer: B
Lacerations may be caused by extreme force, such as
Lacerations may be caused by extreme force, such as
A. falling from a speeding bicycle
B. being struck by a tree limb
C. being run down by a car
D. all of these choices
Answer: D
During an autopsy, investigators discover that a wound passes all the way through the victim's liver. What is this sort of injury called?
During an autopsy, investigators discover that a wound passes all the way through the victim's liver. What is this sort of injury called?
A. a perforating wound
B. a penetrating wound
C. a therapeutic wound
D. an incised wound
Answer: A
Force that is applied parallel to the skin will cause
Force that is applied parallel to the skin will cause
A. an impact abrasion
B. a patterned abrasion
C. a brush abrasion
D. all of these choices
Answer: C
Compared with a blow to the head, a blow to the chest will
Compared with a blow to the head, a blow to the chest will
A. hurt more
B. be less severe
C. cause life-threatening injury
D. none of these choices
Answer: B
While looking at the basic fingerprint patterns can quickly help eliminate a suspect, in order to positively match a print found at a crime scene to an individual, more is needed. Every individual, including identical twins, has a unique fingerprint due to unique ridge patterns called
While looking at the basic fingerprint patterns can quickly help eliminate a suspect, in order to positively match a print found at a crime scene to an individual, more is needed. Every individual, including identical twins, has a unique fingerprint due to unique ridge patterns called
A. small details
B. ridge details
C.minutiae
D. ridge minutiae
Answer: C
Fingerprint arches may be
Fingerprint arches may be
A. plain arches
B. fancy arches
C. multiple arches
D. singular arches
Answer: A
Fingerprint whorl patterns may be a
Fingerprint whorl patterns may be a
A. plain whorl
B. central pocket whorl
C. double loop whorl
D. all of these choices
Answer: D
Two things a forensic examiner looks for on a fingerprint are the presence of a core and
Two things a forensic examiner looks for on a fingerprint are the presence of a core and
A. deltas
B. alphas
C. betas
D. omegas
Answer: A
Fingerprint characteristics are named for the general visual appearance and patterns. These are called
Fingerprint characteristics are named for the general visual appearance and patterns. These are called
A. loops
B. whorls
C. arches
D. all of these choices
Answer: D
The imprint of a fingerprint consists of natural secretions of the sweat glands that are present
The imprint of a fingerprint consists of natural secretions of the sweat glands that are present
A. in the friction ridge of the skin
B. on the surface of the skin
C. just under the surface of the skin
D. under the friction ridge of the skin
Answer: A
When the head of a long bone, like the thigh or upper arm bone, has totally fused to its shaft, this is another indication of
When the head of a long bone, like the thigh or upper arm bone, has totally fused to its shaft, this is another indication of
A. age
B. height
C. weight
D. proportions
Answer: A
Bones exposed to the elements for long periods of time are often damaged by
Bones exposed to the elements for long periods of time are often damaged by
A. animals only
B. weathering only
C. weathering and animals
D. none of these choices
Answer: C
The main suture marks on a skull, marking where the bones are growing together, are
The main suture marks on a skull, marking where the bones are growing together, are
A. the lambdoidal
B. the sagittal
C. the coronal
D. all of these choices
Answer: D
To distinguish between the male and female pelvis, the sub pubic angle is
To distinguish between the male and female pelvis, the sub pubic angle is
A. greater than ninety degrees on the female and less than ninety degrees on the male
B. less than ninety degrees on the female and greater than ninety degrees on the male
C. greater than ninety degrees on both the male and the female
D. none of these choices
Answer: A
Compared to a woman's skeleton, a man's skeleton is usually
Compared to a woman's skeleton, a man's skeleton is usually
A. thicker
B.rougher
C. quite bumpy in appearance
D. all of these choices
Answer: D
Osteobiography literally translates as the story of life as told by
Osteobiography literally translates as the story of life as told by
A. nutrition
B. the bones
C. exercise
D. bone repair
Answer: B
The number of bones and their condition can tell an investigator about a person's
The number of bones and their condition can tell an investigator about a person's
A. age
B. health
C. calcium intake
D. all of the above
Answer: D
At thirty years of age, an adult's bones deteriorate faster than they are built. This deterioration can be slowed
At thirty years of age, an adult's bones deteriorate faster than they are built. This deterioration can be slowed
A. with exercise
B. by taking calcium supplements
C. by taking multivitamins
D. none of these choices
Answer: A
A joint is the location where bones meet. Joints contain several kinds of connective tissue. These include
A joint is the location where bones meet. Joints contain several kinds of connective tissue. These include
A. cartilage
B. ligaments
C. tendons
D. all of these choices
Answer: D
After all the bones have become fully developed, an adult has 206 bones. A baby has
After all the bones have become fully developed, an adult has 206 bones. A baby has
A. 206 bones
B. 306 bones
C. 406 bones
D. 450 bones
Answer: B
When bones become injured, the osteoclasts secrete
When bones become injured, the osteoclasts secrete
A. enzymes that dissolve the injured or damaged part of the bone so that new healthy bone can be laid down
B. calcium so that new, healthy bone can be laid down
C. osteocytes that dissolve the injured or damaged part of the bone so that new, healthy bone can be laid down
D. none of these choices
Answer: A
Investigators know that a victim had been dead for more than 12 hours if
Investigators know that a victim had been dead for more than 12 hours if
A. the body temperature is below 37°C
B. the body temperature is below 8.4°C
C. the body temperature is below 27.6°C
D. the body temperature is below 34.6°C
Answer: C
Nonbiological evidence includes
Nonbiological evidence includes
A. carpet fibers
B. a used water glass
C. dust from a crushed brick
D. all of these choices
Answer: D
The first step of a death investigation is
The first step of a death investigation is
A. the body is transported to the morgue
B. a preliminary investigation is conducted at the death scene
C. a police officer collects evidence one a body has been discovered
D. lab tests are conducted on biological evidence collected during an autopsy
Answer: B
An example of a mechanism of death is
An example of a mechanism of death is
A. asphyxiation due to smoke in a fire
B. a gunshot through the torso
C. crushing in a car accident
D. all of these choices
Answer: A
During an autopsy, the medical examiner removes and examines the
During an autopsy, the medical examiner removes and examines the
A. brain
B. heart
C. lungs
D. all of these choices
Answer: D
An example of a scene marker is
An example of a scene marker is
A. a torn shirt
B. a new school notebook
C. a pick-up ticket for dry cleaning
D. none of these choices
Answer: C
To take a person's temperature, forensic investigators insert a thermometer into the
To take a person's temperature, forensic investigators insert a thermometer into the
A. liver
B. stomach
C. mouth
D. underarm
Answer: A
Algor mortis means roughly
Algor mortis means roughly
A. death heat and describes the temperature gain in a corpse
B. death heat and describes the temperature loss in a corpse
C. death chill and describes the temperature loss in a corpse
D. none of these choices
Answer: B
Factors affecting rigor include
Factors affecting rigor include
A. temperature
B. activity before death
C. body weight
D. all of these choices
Answer: D
Rigor mortis is
Rigor mortis is
A. permament
B. one cause of death
C. temporary
D. one manner of death
Answer: C
Death stiffness is roughly defined as
Death stiffness is roughly defined as
A. cause of death
B. manner of death
C. rigor mortis
D. livor mortis
Answer: C
Dual lividity could occur if the body was kept in one position
Dual lividity could occur if the body was kept in one position
A. two hours after death, and then moved to a second position before the lividity became permanent
B. ten hours after death, and then moved to a second position before the lividity became permanent
C. nine hours after death, and then moved to a second position before the lividity became permanent
D. none of these choices
Answer: A
Pooling of blood in the body, known as lividity, provides a clue as to how long the person has been dead. Lividity first begins about
Pooling of blood in the body, known as lividity, provides a clue as to how long the person has been dead. Lividity first begins about
A. two hours after death
B. four hours after death
C. six hours after death
D. eight hours after death
Answer: A
Livor mortis means roughly, the
Livor mortis means roughly, the
A. moment of death
B. day of death
C. death color
D. time of death
Answer: C
The specific change in the body that brought about cessation of life is called the
The specific change in the body that brought about cessation of life is called the
A. manner of death
B. cause of death
C. mechanism of death
D. proximate cause of death
Answer: C
The reason someone dies is called the
The reason someone dies is called the
A. manner of death
B. cause of death
C. type of death
D. none of these choices
Answer: B
These types of insects are the first to arrive to lay eyes on a dead body
These types of insects are the first to arrive to lay eyes on a dead body
A. cheese skippers
B. blowflies
C. bees
D. all of the above
Answer: B
Evidence collected at a crime scene is sent to
Evidence collected at a crime scene is sent to
A. the evidence technicians
B. the prosecutor's office
C. the crime lab
D. none of these choices
Answer: C
Forensic science is
Forensic science is
A. the application of law to science
B. the prosecution of crime
C. the application of science to law
D. all of these choices
Answer: C
The first step in investigating a crime is to
The first step in investigating a crime is to
A. photograph the crime scene
B. search the crime scene
C. establish a chain of custody
D. secure the crime scene
Answer: D
Locard's exchange principle states that
Locard's exchange principle states that
A. for every action there is an equal and opposite reaction
B. in any crime scene DNA evidence is left as a residue of the crime
C. whenever two pieces of evidence come in contact, one piece will absorb material from the other
D. whenever two pieces of evidence come in contact, material will be exchanged
Answer: D
The forensic lab processes all of the evidence the crime scene investigation team collected to determine the
The forensic lab processes all of the evidence the crime scene investigation team collected to determine the
A. facts of the case
B. who is innocent
C. who is guilty
D. all of these choices
Answer: A
All evidence needs to be properly packaged, sealed, and labeled. Liquids and arson remains are stored in
All evidence needs to be properly packaged, sealed, and labeled. Liquids and arson remains are stored in
A. breathable containers
B. airtight unbreakable containers
C. a bindle
D. a plastic or paper container
Answer: B
The crime scene investigation team is made up of
The crime scene investigation team is made up of
A. legal and scientific professionals who work together to solve a crime
B. legal professionals who work together to solve a crime
C. scientific professionals who work together to solve a crime
D. none of these choices
Answer: A
Trace evidence is a type of circumstantial evidence, examples include
Trace evidence is a type of circumstantial evidence, examples include
A. hair found on a brush
B. fingerprints found on a glass
C. blood drops on a shirt
D. all of these choices
Answer: D
Eyewitness accounts of a crime scene events vary considerably from one person to another. What you observe depends on your level of
Eyewitness accounts of a crime scene events vary considerably from one person to another. What you observe depends on your level of
A. interest
B. stress
C. concentration and the amount and kind of distraction that may be present
D. all of these choices
Answer: D
When evaluating eyewitness testimony, the investigator must discriminate between fact and
When evaluating eyewitness testimony, the investigator must discriminate between fact and
A. observations
B. perception
C. opinion
D. none of these choices
Answer: C
Whether observing at a crime scene or examining collected evidence in the laboratory, the forensic examiner must be able to
Whether observing at a crime scene or examining collected evidence in the laboratory, the forensic examiner must be able to
A. identify the evidence
B. record the evidence
C. determine the significance of the evidence
D. all of these choices
Answer: D
Forensic science is strictly concerned with uncovering evidence that
Forensic science is strictly concerned with uncovering evidence that
A. stands beyond a reasonable doubt
B. stands as a fact
C. stands only as conjecture
D. none of these choices
Answer: B
Forensic derives from the Latin word "forensics" which means
Forensic derives from the Latin word "forensics" which means
A. of the day
B. of the month
C. of the consensus
D. of the forum
Answer: D
Criminal investigators depend on the observation skills of all involved. Those involved include:
Criminal investigators depend on the observation skills of all involved. Those involved include:
A. police investigators
B. forensic scientists
C. witnesses
D. all of these choices
Answer: D
One of the most important tools of the forensic investigator is the ability to:
One of the most important tools of the forensic investigator is the ability to:
A. observe, interpret, and report observations clearly
B. observe assumptions clearly
C. report assumptions clearly
D. none of these choices
Answer: A
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