Forensic Semester Test
The most common glass, which is inexpensive, and easy to melt and shape a.Soda lime glass b.Leaded glass c.Tempered glass d.Laminated glass
a.Soda lime glass
Mohair and cashmere are hairs from a.a goat b.a llama c.a sheep d.a rabbit e.a camel
a.a goat
Pigment granules that impact hair with color are found in the a.cortex b.medulla c.cuticle d.both a and b e.none of the above
a.cortex
All of the following would be considered fixed points except: a.desk b.door. c.wall d.window
a.desk
The presence of sheath cells on hair that has been pulled quickly from the head is ________ the presence of sheath cells on hairs that have been removed slowly from the scalp. a.greater than b.the same as c.less than
a.greater than
When a bullet penetrates a panel of glass, it leaves a crater shaped hole that a.is wider on the exit side b.is wider on the entrance side c.forms randomly; the direction of impact cannot be determined by its appearance d.both b and c
a.is wider on the exit side
Stress marks on the edge of a radical crack near the point of impact are a.parallel to the side on which the force was applied b.perpendicular to the side on which the force was applied c.perpendicular to the side of the glass facing outdoors d.parallel to the side opposite the side on which the force was applied
a.parallel to the side on which the force was applied
The fracture pattern of glass usually has a.radial and concentric lines b.concentric lines c.radial lines d.directional lines
a.radial and concentric lines
Which feature of hair is MOST important in making species identification? a.scale pattern b.follicle shape c.bulb size d.color e.shaft length
a.scale pattern
What is the original location of the crime scene called? a.secondary crime scene b.accomplice c.primary crime scene d.accesory
c.primary crime scene
If the hair does not have a follicular tag, an expert witness is on the best scientific footing when stating that a.the hair in question comes from a 21 year old b.the hair is useless as evidence in the case c.his examination reveals that the hair is that of a male d.a suspect hair comes from a particular animal species e.the given hair comes from from a specific person
d.a suspect hair comes from a particular animal species
Blood evidence is packaged by: a. packing in glass container b.packing in plastic bag c.packing in an airtight container d.air drying at room temperature and refrigerating or freezing as soon as possible
d.air drying at room temperature and refrigerating or freezing as soon as possible
Investigators should collect possible carriers of trace evidence which may include: a.vehicles b.clothing c.vacuum sweepings d.all of the above
d.all of the above
Medullae may be classified as being a.interrupted or absent b.continuous c.fragmented d.all of the above e.none of the above
d.all of the above
The refractive index of a substance varies with a.its temperature b.the color of light passing through it c.the wavelength of the light passing through it' d.all of the above e.none of the above
d.all of the above
Nuclear DNA typing can be most successfully accomplished on hairs that have been removed during which stage of growth? a.anxiogenic b.catagenic c.mutagenic d.anagenic e.telogenic
d.anagenic
Refractive index measures the speed of light in a vacuum to its speed in a.air b.water c.glass d.any given substance
d.any given substance
What does the acronym ADAPT stand for? a.always, determine, age, property, testimony b.apple does not accept proper technology c.assist, deter, arrest, proper, teach d.asses, detain, arrest, protest, take, notes
d.asses, detain, arrest, protest, take, notes
All of the following items may be placed in airtight container except for: a. glass b.explosive residues c.charred debris recovered from fire d.bloodstained clothing
d.blood stained clothing
By far the most prevalent plant fiber is a.linen b.hemp c.silk d.cotton e.Kapok
d.cotton
If the laboratory can piece broken glass from a window or headlight together, then the evidence has _______ characteristics. a.identification b.comparative c.class d.individual e.none of the above
d.individual
Pyrex glass a.is laminated b.has been tempered c.is bulletproof d.is made with the addition of boron oxide
d.is made with the addition of boron oxide
Two sheets of ordinary glass bonded together with a plastic film a.Soda lime glass b.Leaded glass c.Tempered glass d.Laminated glass
d.laminated glass
The central canal running through many hairs is known as the a.cuticle b.root c.cortex d.medulla e.shaft
d.medulla
The two most important physical properties of glass for forensic comparison are a.refractive index and weight b.refractive index and color c.color and density d.refractive index and density
d.refractive index and density
In what stage can a hair most readily be removed from the scalp? a.generic b.analgesic c.catagenic d.telogenic e.anagenic
d.telogenic
If the crime scene includes a dead body, the photographer should: a.determine the time of death b.depict injuries and weapons at scene c.attempt to identify the victim d.attempt to locate the victim's next of kin
depict injuries and weapons at scene
Which of the following is NOT true? An expert witness must be able to demonstrate: a.education in his/her area of expertise b.significant experience in a relevant field c.formal degree in forensic science d.skill in trade or profession of interest to the court
formal degree in forensic science
The likelihood of finding class physical evidence is _____________ the likelihood of finding physical evidence with the individual characteristics. a.same as b.greater than c.less than d.equal
greater than
What is the LEAST important consideration in the gathering of evidence at a crime scene? a.competent collection of materials b.completion of the chain of custody documents c.guilt of the suspect(s) d.adequate preservation of samples
guilt of the suspect(s)
If the laboratory can piece broken glass from a window or headlight together, then the evidence has ___________ characteristics. a.identification b.class c.individual d.none of the above
individual
the most basic methods of crime scene recording include all of the following EXCEPT: a.narrated video b.infrared analysis c.sketches d.photographs
infrared analysis
Which amendment guarantees freedom from testifying against yourself and double jeopardy? a.1st Amendment b.4th Amendment c.5th Amendment d.6th Amendment
5th Amendment
Which of the following is a correct physical evidence collection procedure? a.bloodstained garments should be packaged separately in paper bags b.all items collected from the same grid area should be packaged together c.the victim's clothing should be obtained at the crime scene and vacuumed to obtain trace evidence d.items recovered from the scene of a murder should be sent along with the body to the medical examiner
Bloodstained garments should be packaged separately in paper bags
Who established the first workable crime laboratory? a.Galton b.Locard c.Osborn d.Bertillon
Locard
Who postulated the exchange of evidence principle? a.Gross b.Bernoulli c.Locard d.Galton
Locard
Who developed the system known as anthropometry? a.Galton b.Bertillon c.Goddard d.Gross
Bertillon
The concept of "general acceptance" of scientific evidence relates to the: a.John'a Law b.exclusionary rule c.Frye Standard
Frye Standard
Which entity maintains the largest crime laboratory in the world? a.FBI b.Scotland Yard c.Royal Canadian Mounted Police d.LAPD
FBI
The owner of a house agrees to let his home be searched for a specific gun, but nothing is found. Two months later, police search his home without a warrant and find the gun. The gun cannot be admitted because it was an illegal search. a.True b.False
False
Who published Criminal Investigation, in which he discussed the benefits of the use of science in crime investigations. a.Hans Gross b.Edmond Locard c.Aplhonse Bertillon d.Karl Landsteiner
Hans Gross
Which of the following is NOT true? a.Expert witness may give their options when testifying b.Lay witness may give their opinion when testifying c.The judge is the "gatekeeper" for both scientific and expert testimony d.all of the above are true
Lay witness may give their opinion when testifying
The oldest forensic laboratory in the United States is that of the: a.FBI b.Secret Service c.DEA d.Los Angeles Police Department
Los Angeles Police Department
Who is known as the "father of forensic toxicology"? a.Lattes b.Locard c.Osborn d.Orfilia
Orfilia
Walking up the sidewalk to a business in question, a detective finds marked money from a recent bank robbery. This evidence is admissible in court. a.False b.True
True
Which court case upheld that handwriting analysis now met Daubert factors in admittance of reliable evidence? a.Daubert v Merrell Pharameceuticals b.United States v Prime c.United States v. Starzecpzyzel d.Kumho Tire v Carmichael
United States v Prime
The larger opening of a crater-shaped hole in glass made by the penetration of a projectile indicates a.the exit side of the glass b.the entrance side of the glass c.the projectile was traveling at a low velocity d.that a bullet made the opening
a.the exit side of the glass
It is possible to determine the sequence of impact by observing the existing fracture lines and their points of termination a.true b.false
a.true
The formula for calculation the density of an object is mass per unit volume a.true b.false
a.true
Which type of evidence must be packaged separately from other evidence? a.biological stain evidence b.DNA-containing evidence c.arson evidence d.all of the above
all of the above
Which substance would be a forensic serologist NOT identify? a.semen b.blood c.saliva d.they would identify all of the above choices
all of the above choices
Firearm evidence is packaged in: a.in a metal box b.a heavy cardboard or wooden box c.in a box or envelope d.in a plastic bag
b.a heavy cardboard or wooden box
A cast of a hair surface can be made using a. an SEM b.clear nail polish c.softened vinyl d.all of the above e.none of the above
b.clear nail polish
Which of the following is an elected official? a.medical examiner b.coroner c.forensic scientist d.lead investigator
b.coroner
Which part of the hair shaft is most resistant to chemical decomposition? a.cortex b.cuticle c.medulla d.follicle e.root
b.cuticle
Flotation is a method used by scientists to determine the _______ of a particle of glass. a.weight b.density c.temperature d.refraction index
b.density
Sodium carbonate and calcium dioxide are two substances that are added to silica as glass is made a.true b.false
b.false
the only way to analyze glass fragments at a crime scene is to assemble the fragments and physically fit them together like a jigsaw puzzle a.true b.false
b.false
Which of the following is not the layer of the hair shaft? a.cuticle b.follicle c.scales d.cortex e.medulla
b.follicle
Glass containing lead oxide a.Soda lime glass b.Leaded glass c.Tempered glass d.Laminated glass
b.leaded glass
A piece of glass is immersed in a liquid, and it proceeds to float on the surface. This shows that the density of the glass is ___________ the density of the liquid. a.equal to b.less than c.more than d.not comparable
b.less than
In determining whether a hair sample originated from a male or female, the MOST important consideration is a.the length of the hair b.the results of DNA analysis performed on the root structure c.whether the hair was dyed d.whether the hair is bleached e.whether the hair is curly or straight
b.the results of DNA analysis performed on the root structure
Which of the following is NOT part of the crime scene team? a.medical examiner b.medics c.attorney d.first police officer on the scene
c.attorney
Which is NOT a type of search method? a.line b.zone c.circle d.spiral
c.circle
Crime scene sketches serve a unique purpose in permanently documenting the location of evidence: a.in plain view b.not documented in photographs c.collected and removed from the crime scene d. containing drug evidence
c.collected and removed from the crime scene
Who determines the preliminary cause of death at the crime scene and performs the autopsy? a. CSI unit b.district attorney c.medical examiner d.specalist
c.medical examiner
Which statement is true about the fracturing of glass? a.concentric fractures form first on the same side as the destructive force b.Radial cracks from afterwards, starting on the same side as the destructive force c.radial cracks and concentric fractures are formed simultaneously d.radial cracks appear first starting on the side opposite the destructive force
c.radial cracks and concentric fractures are formed simultaneously
Which is NOT a synthetic fibr? a.nylon b.acrylic c.rayon d.polyester e.all of the above
c.rayon
If glass cannot be physically pieced together, the control and questioned glass are best compared by their a.weight and density b.color and density c.refractive index and density d.refractive index and weight
c.refractive index and density
Which is made of natural polymers? a.plastic b.nylon c.starch d.sand e.paint
c.starch
Glass, which is strengthened by introducing stress through rapid heating and cooling of its surface a.Soda lime glass b.Leaded glass c.Tempered glass d.Laminated glass
c.tempered glass
Tempered glass is used in a.windshields in autos manufactured in the United States b.Crystal stemware c.the side and rear windows of autos manufactured in the United States d.both b and c
c.the side and rear windows of autos manufactured in the United States
A crime scene investigator packages and records all data for an evidence sample then gives the sample to the delivery person. The delivery person takes the sample directly to the evidence room where the officer there records his own information. What protocol has been broken? a.cross contamination b.chain of custody c.control issues d.separation of contamination
chain of custody
Based on suggestion, rather than personal knowledge or observation is a.control sample b.probative sample c.circumstantial evidence d.none of the above
circumstantial evidence
Forensic science is the application of science to: a.civil laws b.crime scene reconstruction c.both criminal and civil laws d.criminal laws
criminal laws
The forensic problem that occurs if two bloody items are packaged together a.chain of custody b.control issues c.cross contamination d.separation of contamination
cross contamination
Which is NOT a manner of death? a.accident b.drowning c.natural d.suicide
drowning
Which type of crime is LEAST likely to be solved with the use of fiber evidence? a.breaking and entering b.hit and run c.kidnapping d.sexual assault e.bombing
e.bombing
The refractive index of a medium is determined by the ratio of a.velocity of light in a vacuum to frequency of light in a medium b.frequency of light in a vacuum to frequency of light in a medium c.angle of refraction to angle of incidence d.velocity of light in a vacuum to velocity of light in a medium e.density of light in the medium to density of light in a vacuum
e.density of light in the medium to density of light in a vacuum
Specially trained personnel called _________________ are employed by some crime laboratories on 24-hour call to retrieve evidence and have all the proper tools and supplies for proper collection and packaging of evidence at their disposal. a.crime scene investigation b.evidence technicians c.police officers d.forensic pathologists
evidence technicians
What is one of the key elements of forensic anthropology? a.examine animal bones b.examining bones in a legal setting c.diagnosing bone disease in living humans d.performing autopsies on soft tissues
examining bones in a legal setting
Which of the following is not a factor necessary for chain of custody paperwork? a.proper packaging of evidence b.written record of all people who have had possession of an item of evidence c.collector's initials should be placed on the seal d.if evidence turned over to another person, the transfer must be recorded
f.proper packaging of evidence
What does the 4th Amendment guarantee? a.no illegal gambling in your house b.no illegal search and seizure c.no illegal cruel and unusual punishment d.the right for the cops to come into your house unannounced
no illegal search and seizure
What is meant if something has low probative value? a.not useful in proving a fact in court b.extremely useful in proving a fact in court c.not used in court d.only useful for the jury
not useful in proving a fact in court
Charred debris from an arson scene should be: a.thrown away with the other fire debris b.placed in Ziploc bags c.packaged in air tight glass jar d.aired out before packing in plastic wrap
packaged in air tight glass jar
The collection of standard reference samples at the crime scene is important because they: a.prevent the laboratory from making mistakes b.are obtained only from suspects in cases of violent assault c.prove the continuity of possession d.permit comparisons to be made with the evidence
permit comparisons to be made with the evidence
The collection of standard reference samples at the crime scene is important because they: a.prevent the laboratory from making mistakes b.permit comparisons to be made with the evidence c.are obtained only from suspects in cases of violent assault d.serve as a source of extra test material if required in the crime lab
permit comparisons to be made with the evidence
To calculate the overall frequency of occurrence of a blood type in a population, the _____________ can be applied by using a series of blood factors that occur independently of each other. a.product rule b.tangent method c.multiplication table d.Locard's exchange
product rule
What does the 7th Amendment guarantee? a.the right to bear arms b.right to trial by jury in civil cases c.right to an illegal search and seizure d.no cruel or unusual punishment
right to a trial by jury in civil cases
The first officer arriving at the crime scene, after providing or obtaining medical assistance injured and effecting an arrest of suspects (if possible), should immediately: a.search for evidence b.secure the scene c.make a rough sketch of the scene d.take notes
secure the scene
Evidence with individual characteristics can lead to a determination of common origin (single source). Which type of evidence CANNOT yield such results? a.fingerprints b.single-layer paints c.DNA d.wear patterns on tires
single-layer paints
A rough sketch need NOT include a: a.location of walls, doors and windows in the building on scene b.sketch of the suspect(s) c.compass heading designating north d.date, location, and tie of the incident
sketch of the suspects
Forensic Odontology refers to the study of: a.drugs b.pollen c.teeth d.bones
teeth
The successful outcome of a criminal investigation is almost always directly related to: a.the number of people employed in the crime lab b.the manner in which the evidence is collected and preserved c.the volume of the physical evidence collected d.he complexity of the crime
the manner in which the evidence is collected and preserved
What does the 6th Amendment guarantee? a.the right to a speedy trial b.right to a trial by jury c.the right to speak to a judge on his phone d.the right to excessive force
the right to a speedy trial and a lawyer
Which unit has the responsibility for the examination of body fluids and organs for the presence of drugs and poisons? a.trace evidence unit b.evidence collection unit c.toxicology unit d.biology unit
toxicology unit
A properly maintained chain of custody is NOT the responsibility of the: a.trial judge b.evidence clerk c.forensic technician d.trace evidence examiner
trial judge
In the case of Daubert v. Merrell Dow Pharmaceutical, Inc., the U.S. Supreme Court advocated that a "gatekeeper" determine the admissibility and reliability of scientific evidence. This gatekeeper is the: a.prosecutor b.jury c.trial judge d.expert witness
trial judge
A comparison analysis subjects a suspect specimen and a control specimen to the same tests and examinations for the ultimate purpose of determining: a.if they are identical in chemical composition b.whether or not they have a common origin c.if they are alike in molecular structure d.all of the above
whether or not they have a common origin
Which crime scene search pattern would absolutely require more than one investigator? a.line b.zone c.spiral d.grid
zone
