Science, Forensic Toxicology Quiz Bank 100% Correct
Questions And Answers
Crime scene processing is the same as crime scene investigation. ANS False
Which crimes do we place more investigative emphasis on? ANS Crimes against people
Which of the following is a search pattern? ANS grid
photographs of crime secenes must include overall views, close ups, and _______? ANS midrange
crime scene documentation methods do not include: ANS cell phone records
what can affect how you prepare to conduct a crime scene investigation? ANS location, weather, time of
day
What is the first thing a first responder should do at a major crime scene? ANS search for and detain the
suspect
Types of crime sketches include ANS rough, cross-projection, final
the rough sketch that is usually prepared at a crime scene is used to ANS precisely locate evidence
you should only document what you see ANS false
a blood spatter pattern consisting of a large number of very fine, mist-like droplets indicates that the blood
probably came from a ANS gunshot wound
Types of Glass ANS Soda-lime, borosilicate, and leaded
,A swipe bloodstain pattern is the result of ANS a bloody object in motion contacting another clean surface
Blood spatter patterns can indicate ANS how many sources of blood there were, what type of weapon was
used, the number of times a weapon was used
The ______ the droplet, the ______the force that was used to create the spatter ANS smaller, the greater
When a fracture line in glass hits a pre-existing fracture line it.... ANS stops
Which is NOT a variable to consider when examining blood patterns? ANS blood alcohol level when
blood is shed
Gunshot residue: ANS does not travel a great distance
Most reconstruction patterns are easily transported to the lab for further analysis (T/F) ANS false
This is NOT a fundamental principle of fingerprinting ANS Fingerprints are formed when someone is
about five years old
This type of fingerprint is a three dimensional impression ANS plastic
The basic fingerprint class patterns are: ANS arches, loops, and whorls
Fingerprints change over the course of a person's lifetime (T/F) ANS false
Common fingerprint minutiae include ANS dots, bifurcations, islands
The fingerprint database is called: ANS Automated Fingerprint Identification System (AFIS)
Chemical methods for the development of latent fingerprints include ANS Ninhydrin, Diazafluoren (DFO),
Sticky side powder, iodine fuming, cyanoacrylate fuming
,The ACE-V method of print identification involves ANS analysis, comparison, evaluation, and verification
Unknown fingerprints are entered into the data base as: ANS AFIS
Individualizing friction ridge detail also exists on your ANS palms, fingers, and feet
A person's ____ is usually more distinctive than their normal handwriting ANS signature
When collecting document evidence, it is important to carefully protect the document to avoid ANS loss of
possible DNA, loss of possible indentations, loss of possible latent print evidence
Questioned document examiners prefer to work with copies so they do not damage the original document (T/F)
ANS False
Writing instruments include ANS ball point pens, fountain pens, fiber tip pens, pencil
Pencils, fiber and ballpoint pen writings are able to be traced back to the specific one. (T/F) ANS False
Steel and fountain pens do produce identifying characteristics with time allowing writing to be traced back to a
specific pen. (T/F) ANS True
Natural variation in a person's handwriting is ___ when compared to the variation between individuals ANS
always less
Collected writing samples should be ANS authenticated and from an appropriate time period.
The three parts of the writing process that can yield useful information are ANS writing surface (Paper),
writing instrument (Pen), and transfer medium (ink)
Handwriting comparisons can be made using ANS construction of letters, where pressure is applied, and
connections between letters
, Indented writings on evidence can be visualized with an instrument called ANS an Electrostatic Detection
Apparatus (ESDA)
It is not possible to examine a document to see what printer or copier it could have originated from (T/F) ANS
False
Sliding a tool into the surface makes an indented tool mark (T/F) ANS False
The three components of a cartridge case are ANS the primer, the propellant, and the bullet
Toolmark examinations may provide the following information ANS the kind of tool used to make the
mark
The caliber of a weapon is ANS nominal indicator of bore diameter, diameter between upper surfaces of
opposing lands
Gunshot residue is characterized by the presence of the elements ANS lead, barium, and antimony
Class characteristics of a firearm detectable from a fired bullet include ANS caliber, lands/grooves, and
rifling (direction and degree)
The depressed helical grooves in a bullet are called ANS land and grooves
Which type of test is frequently done with recovered firearms to evaluate the possibility of accidental
discharge? ANS Firearms Function Testing
Gunshot residue (GSR) testing can be difficult to perform because... ANS GSR particles do not travel far,
can be washed off and only last a few hours
Pushing a tool into the surface makes a striated tool mark (T/F) ANS False