FRNSC 210 Final
Which of the following is/are potential numerical aperture(s) for a dry objective. Select all that apply.
.95 .9
At what concentration of alcohol in the blood or breath are you no longer able to drive, legally?
0.08%
If q = 100, and p = 100, with a f = 50. What is the magnification?
1
What is the percent reduction per day for late or incomplete/ erroneously uploaded homework/ exercises?
10%
In the Chicago Bank Robbery case, how many shots were fired during the incident?
2
Which of the following are published reports that criticize the state of forensic science. NAS State of the Union PCAST FSPAB
2 of the options are correct
Given R = 0.61λ/NA, and NA = 0.95, which of the following provides the best resolution?
400
I have an objective with a numerical aperture of 0.1 and a magnification factor of 10x. Which of the following eye pieces (in terms of magnification) would give the minimum useful magnification using this objective?
5x
Which Amendment allows the accused person to learn who is claiming that they committed the crime?
6th
Conjugate foci calculation: If f = 50, p = 150, what is the value of q?
75
Which of the following are recognized accrediting bodies in forensic science? Select all that apply.
ASCLD-LAB
Which of the following tasks (if any) are part of quality control? Select all that apply. reagent prepartion Instrument calibration checks reference materials reference standards instrument maintenance
All are correct
Which of the following is an appropriate form of expert testimony to present to a jury?
Both the questioned and known fibers displayed similar physical and optical properties as determined using light microscopy
Which of the following are rules for handling firearms? Select all that apply. Keep finger off the trigger Wear ear protection in case the firearm accidentally discharges Assume the firearm is loaded Keep firearm pointed in a safe direction
Keep finger off the trigger Assume the firearm is loaded Keep firearm pointed in a safe direction
Probable cause_______
Must exist before warrant is issued and a search or seizure is made
__________ is a digitized database that includes biometric data (besides fingerprints) for person identification.
NGI
Identify which (if any) of the following statements are true for proficiency testing. Select all that apply. Can only be conducted by external agencies Occurs only at the end of the analyst's training Occurs after the analyst becomes competent Tests the competency of the analyst
Occurs after the analyst becomes competent Tests the competency of the analyst
OSAC stands for____________.
Organization of Scientific Area Committees
There was a photograph of the speaker for these two lectures with which of the following people?
President Bill Clinton
Quality assurance (QA) is responsible for which of the following aspects? Select all that apply. Case Notes Reagent Preparation Competency Tests Administrative Procedures
Case Notes Competency Tests Administrative Procedures
The investigation into the double homicide in Leicestershire, England revolutionized forensic science due to the first use of ___________ as evidence.
DNA
I mentioned a client that was impressed that we were straightforward with our results that agreed with the opposing side, which actually brought additional work to us from the client. What was the subject matter for the case in which we agreed with the opposing side?
The presence of silicone in wire installation
The Brady ruling (Maryland v. Brady) required________.
The prosecution to provide exculpatory evidence to the defense
What types of evidence were collected from the pants in the case study?
tape lift fibers
What regions of a firearm are permissible to touch when packaging evidence? (Note you are wearing gloves during this process.) Select all that apply. textured slide textured grips Since you are wearing gloves, anywhere is acceptable flat smooth regions
textured slide textured grips
The Melendez-Diaz ruling requires that
the forensic analyst who performs the forensic exams must appear in court
Interference between the 0th and higher order diffracted rays in the image plane generates image contrast and determines___________
the limit of spatial resolution
Why did the morphology of the recovered bullets from the Chicago Bank robbery case differ so dramatically in morphology?
they decelerated at very different rates
What is the purpose of the ruler in a crime scene photograph?
to show scale of the evidence
What kind of testing is done to detect drugs, metabolites, or poisons in the body?
toxicological
X-ray fluorescence, scanning electron microscopy-energy dispersive spectroscopy, and inductively coupled plasma-mass spectrometry are instruments used in what type of analytical methods?
trace elemental
Driving a horse and buggy in PA while at the legal limit for intoxication is considered a violation of the law.
true
Methodology and instrumentation used should be indicated in your lab report.
true
The Constitution is the supreme law of the United States
true
The depth of field increases with decreasing numerical aperture.
true
The forensic analysis of gunshot residue is considered trace evidence, not firearms or ballistics.
true
__________ is an organization responsible for accrediting forensic science educational programs.
FEPAC
What instrument separates compounds by their molecular weight?
GC-MS
Which of the following should be packaged in a paper fold/ bindle prior to packaging in a coin envelope? Select all that apply. Glass fragments bullet organic solvents paint samples
Glass fragments bullet paint samples
The standard currently utilized by ASCLD-LAB is?
ISO 17025
Some have argued that matching bullets to a particular firearm is "technical" evidence. Given this statement, which of the following case(s) most directly affects the admissibility of bullet matching testimony?
Kumho Tire v. Carmichael
A central axiom of criminalistics that formally states the concept of transfer of evidence between people, locations, and objects is called______?
Locard exchange principle
_______ demonstrates competency for an institution.
accreditation
Which of the following are components that are required for transfer? Select all that apply. fragments derived from source target substrate source material force to move fragments from source to target
all above
Due process encompasses which of the following? Select all that apply. All legal procedures set by statute and court practice, including notice of rights, must be followed for each individual so that no prejudical or unequal treatment will result Fundamental principle of fairness in all legal matters Safeguard both public and private rights against unfairness
all are correct
Evidence packaging protects evidence against which of the following? Select all that apply. Contamination Loss cross-transfer Deterioration
all are correct
In Daubert v. Merrell Dow, the court ruled which of the following? Select all that apply. the Federal Rules of Evidence overturned the Frye standard scientific evidence must be relevant scientific evidence must be reliable scientific methods and techniques are generally accepted
all are correct
Packaging wet biologic materials may result in which of the following? Select all that apply. contamination microbial growth samples unsuitable for analysis deterioration
all are correct
To prepare for pretrial, one should be familiar with which of the following? Select all that apply. relevant instrumentation relevant articles relevant textbooks
all are correct
What does the substage condenser do? Select all that apply.
all are correct
Which of the following may be brought up during your qualification as an expert? Select all that apply.
all are correct
It's okay to use which of the following to convey complex information to the jury? Select all that apply.
analogies metaphors
The inference of physical contact is____?
association
According to Snell's Law, when light is going from a high RI medium into a low RI medium, the ray is bent which direction from the normal?
away
What is the first part of the examination process of an expert witness called?
voir dire
Condoms, sexual assault collection kits, fingernail swabs, and touch DNA are considered what types of evidence?
biological
I described a case that I worked on that had evidence that was rendered useless. What was the reason for this situation?
biological material stored in a plastic container
For white light that diffracts through a slit, which of the following is/are true?
blue light is diffracted at a smaller angle than red
The "general acceptance" standard of Frye applies to which of the following? Select all that apply. Answer expert testimony scientific evidence
both are correct
As an expert you have a great responsibility to do which of the following? Select all that apply.
remain neutral
Which of the following are considered criteria for documentation? Select all that apply.
chain of custody permanent traceable original record of changes
The St. Valentine's Day Massacre prompted the opening of which of the following crime laboratories?
chicago crime lab
A controlled process that creates similar physical dimensions of automobile tire treads produces what type of characteristic?
class
Chromatic aberration: the shorter wavelengths of white light are focused ______ to the lens relative to the longer wavelengths.
closer
Spherical aberration: the further the light ray is from the optic axis of the lens, the _______ it is focused relative to a light ray traveling through the optic axis.
closer
The idea of documentation is to record
contemporaneously
The goals of microscopy include which of the following? Select all that apply.
resolution contrast magnification
Which of the following are desired characteristics in an expert witness's demeanor? Select all that apply.
self-confidence integrity humility
What is the term given to the optical property in which the RI of a material changes with changing wavelength of light (that travels within the material)?
dispersion
If trace evidence needs to be removed from an evidence item prior to them both being packaged separately, which of the following should be performed? Select all that apply.
document the nature and location of the trace evidence
Which of the following applies to an ethical scientific expert? Select all that apply.
does not have any personal stake in the matter great responsibility to remain neutral
PGM is a ___________ polymorph that was used for the discrimination of bodily fluids
enzyme
A virtual image appears inverted and can be captured on a sensor array.
false
All evidence must be sketched as well as photographed in the lab when examining evidence.
false
Multiple evidence items (e.g. shirt and pants) should be packaged in the same evidence envelope to ensure that they do not get confused with the evidence from other people involved in the crime.
false
The forensic scientist can only testify to objective results, not opinion based on science.
false
The use of a heated stream of air is an acceptable method to dry samples prior to packaging.
false
When you discover a firearm at a crime scene, you should immediately remove the magazine and check for a round in the chamber.
false
speed of light (medium)/(speed of light (vacuum) is the mathematical expression for refractive index .
false
In geometrical optics, what is the point called where parallel rays (considered to come from infinity) are focused?
focal point
From which country did Dr. Hietpas record the Voice Thread that goes with this quiz?
france
As magnification goes up, the numerical aperture goes up and the depth of field ______
goes down
As the wavelength of illumination gets shorter, the image resolution________.
increases
The random cuts and nicks imparted to out soles of shoes during walking/ running are examples of which type of characteristic?
individualizing
Hietpas, while walking around a certain city, happened upon by chance (and good luck) the main office for which organization?
interpol
Tracking the movement of people and illicit materials is considered which of the following?
investigative
If the results from an accreditation audit find "The nature or cause of the non-conformity directly affects and has a fundamental impact on the work product of the laboratory or the integrity of the evidence." This would be an example of which of the following options?
level 1 non-conformity
Quality assurance measures ensure _______ standard of operation
minimum
Overall sets of services include all of which but the following?
murder
What is the name of the case study discussed?
mute witnesses
What is the modified Griess test testing for?
nitrates and nitrites
If an analyst is performing an action that does not adhere to an accrediting bodies' guidelines, this act is called a(n)___________?
non-conformity
What types of documentation is used when inspecting the container seals of evidence received in the lab? Select all that apply.
notes photography
__________ defined forensic science as the "science of individualization".
paul kirk
The bulk of the documentation from crime scenes tends to be what type of documentation?
photographs
Which of the following objectives is ideal for color photomicrography?
plan apochromat
A color test for drugs is which type of test?
presumptive
If an analyst observes some function/ action that may cause non-conformity, the analyst is able to bring this up as a __________
preventative action report
Soil retained in the treads of a boot from a muddy walkway is an example of which type(s) of transfer?
primary
What is the name of the process that aims to constrain aspects of a crime in time and space?
reconstruction
