answers verified to pass
Spectral comparator - correct answer An instrument that has a number of
light sources, filters, and a video camera that is used by questioned document
examiners to detect alterations and erasure marks on documents is referred
to as what?
Send it intact - correct answer When possible, the best method for submitting
an evidentiary toolmark to a lab for comparison is to
False - correct answer If a tool is found at a crime scene, before submitting
the tool and the tool mark to the lab, the crime scene investigator should fit the
tool into the tool mark to see if the two closely match.
Primer, Smokeless Powder, Case, Projectile - correct answer Name the four
basic components of a cartridge:
Chambering, Breech face, Extractor, Ejector - correct answer In semi-
automatic and automatic firearms, a number of tool marks occur to the
cartridge case through the mechanics and discharge of the firearm. These
marks, for example, the firing pin impression, can sometimes be individualized
to a particular firearm. What other marks (4) can occur to a cartridge case
when the cartridge is chambered and fired from an automatic or semi-
automatic handgun?
Barrel rifling - correct answer Examine the cartridge in the image and identify
the action or surface that made the striated marks on the projectile?
, Firing Pin - correct answer Examine the cartidge case in the image and
identify the action or surface that made the indented impression in the primer
on the spent cartridge case?
completed formal education. - correct answer Although handwriting may
evolve throughout our life, most individuals have developed distinctive writing
styles by the time they have:
True - correct answer The dermal nitrate test has been shown to be
unreliable as it is susceptible to false positive test results
Species of Origin - correct answer The immunological test known as the
precipitin test is used in examining unknown bloodstains to determine what?
Forensic Serology - correct answer Blood groups were one of the kinds of
"genetic markers" forensic scientists used in the pre-DNA era. The processes
used in the preliminary examination and genetic typing of biological evidence
in blood transfer and sexual assault cases before DNA testing was often
referred to as ___________ __________.
cutting, swabbing, scraping, elution - correct answer List four methods for the
collection of dried blood:
False - correct answer The collection and preservation of a wet blood soaked
item includes air-drying and packaging in a "ziploc" type plastic bag to avoid
contamination.
Immunological tests - correct answer Preliminary or presumptive tests for
blood include all but which of the following?