CCSA ACTUAL EXAM QUESTIONS WITH REVISED ANSWERS 100% CORRECT
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Course
CCSA
Institution
CCSA
CCSA ACTUAL EXAM QUESTIONS WITH REVISED ANSWERS 100% CORRECT
What does using bounce flash require? - Answer- A wider aperture which reduces DOF
Painting with light - Answer- Photographic technique to be used when a single flash would be inadequate for the size of a large dimly lit scene
3...
CCSA ACTUAL EXAM QUESTIONS
WITH REVISED ANSWERS 100%
CORRECT
What does using bounce flash require? - Answer- A wider aperture which reduces DOF
Painting with light - Answer- Photographic technique to be used when a single flash
would be inadequate for the size of a large dimly lit scene
3 main areas of painting with light: - Answer- 1. Tripod variables
2. Camera variables
3. Flash variables
2 alternate lighting techniques for painting with light: - Answer- 1. Time exposures
2. Take photographs with aperture priority
Wavelength of visible light - Answer- 400-700nm
Wavelength for UV light - Answer- Under 400nm
Wavelength for IR - Answer- Above 700nm
Main reactions of light with different substrates: - Answer- 1. Reflection
2. Absorption
3. Transmission
4. Fluorescence
George G. Stokes 1852 - Answer- Discovered fluorescence
Luminescence - Answer- Molecules ability to emit light from causes other than heat
Phosphorescence - Answer- Retains radiation they have absorbed and then continue
glowing after the stimulation has ceased
Long wave UV - Answer- 315-400nm
Medium wave UV - Answer- 280-315nm
,Short wave UV - Answer- 200-280nm
When doing reflective UV photography using an electronic flash: - Answer- 1. Use 18A
filter over the lens
2. Use T-Max ISO 400 Film
3. Sync shutter speed
4. Perform exposure tests
What is a normal IR camera filter? - Answer- Wratten #87
Types of evidence reveled by IR - Answer- 1. Ink differentiations
2. Visualize GSR
3. Visualize writing on burned documents
4. Visualize blood stains
Effects of IR on different substrates: - Answer- 1. Absorbs
2. Reflects
3. Transmits
4. Converts
Who is credited with turning forensic photography into a systematic science? - Answer-
Alphonse Bertillion
Who disseminated the methods for forensic photography and founded the institute
Lausanne? - Answer- Reiss
2 unrelated factors that bias the public - Answer- 1. CSI Effect
2. They think science and technology are not subject to manipulation
What does classification mean? - Answer- That an item of evidence shares a common
source
What is considered pattern evidence? - Answer- Fingerprints, firearms, footwear
impressions, tool mark impressions, and tire impressions
DNA testing uses the statistical occurrence of discrete pieces of genetic material also
called: - Answer- Alleles
Alleles have different frequency values developed from: - Answer- Population
databases
Alleles at different locations, or loci, are: - Answer- Statistically independent from other
locations
, In the legal doctrine called "fruit of the poison apple" states: - Answer- That any
subsequent information derived from illegally seized physical evidence is inadmissible in
court and cannot be used
_____________ or _______________, are used to verify that the uncontaminated
samples do not interfere with the analysis - Answer- Blank samples or substrate control
Type of containers used for volatile evidence such as gasoline-soaked debris - Answer-
Airtight containers
How should you package extra small objects such as hair, fibers, or glass fragments? -
Answer- Double wrap them
Alternative methods to collecting trace evidence: - Answer- Shaking,or sweeping so
material falls on clean paper
Picking it off of clothing or large surfaces
Use 4 in tape and press it onto clothing and then place sticky side down on a
microscope slide for examination
Are individuals whose jobs apply science and technology to the solution of criminal acts
- Answer- Forensic scientists, crime scene specialists, and investigators
Has a Guidelines for Forensic Laboratory Management Practices - Answer- The
American Society of Crime Laboratory Directors (ASCLD)
What is one of the responsibilities of the first responding officer? - Answer- Protecting
the crime scene
Locard Exchange Principal - Answer- The notion of an individual coming in contact with
a scene and changing it in some way or every contact leaves a trace
The Locard Exchange Principle is named after - Answer- Edward Locard
All first responders should respond as - Answer- Calm and deliberate
A simple watchword is - Answer- Be AWARE
Notation of the time - Answer- That the crime was committed, the first officer was called,
and the time of arrival on scene
The first thing an officer should do when entering a residence is - Answer- Make it safe
When paramedics are on scene what should the first officer do - Answer- Instruct them
on how to enter the scene without disturbing evidence
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