Flashcards in Module 6 (weeks 11 and 12) Deck (35):
3 types of stimulants
amphetamine, methamphetamine, cocaine
2 types of depressant
One type of narcotic and its other forms
other forms: morphine and codeine
4 types of hallucinogens
LSD, marijuana, MDMA, PCP
What is the active ingredient in marijuana?
THC (in resin)
What does an antagonist do to a agonist?
oppose its action
What is drug synergism?
drugs working together to magnify or create new effects
What is the cut-off level?
specific for each drug
avoid possibility that noise will be mistaken for a signal
When was the Controlled Substances Act made?
What are the three steps in drug analysis?
What does chromatography do?
separates mixture into its compounds
What does mass spectrometry do?
measurement and identification by characteristics of fragmentation of each compound
4 steps in DVI?
The Duquenois-Levine test is a screening test for which drug?
The Scott color test is a screening test for which drug?
When identifying victims of disasters, such as plane and train crashes, approximately 93 percent of identifications are made on the basis of which characteristic?
What are the four levels of court in SA from lowest to highest?
Who determines an expert witness?
What is court-approved information called?
How many countries belong to Interpol? What is their slogan?
"connecting police for a safer world"
When was the AFP founded?
What is Locard's exchange principle?
every contact leaves a trace
What type of paint examination is most discriminate in the first instance?
How is glass differentiated?
What types of fibres are of low evidentiary value?
white cotton and blue denim
A control sample which is known to be free of the item or substance being tested is referred to as:
A scalp hair specimen with significant root sheath material would indicate that the hair originated from which phase of growth?
A substratum specimen serves what purpose in the physical evidence examination process?
Hair cuttings can contain ________ DNA
Shed scalp hair samples generally have little to no root sheath material. (T/F)
The examination of evidence requires comparison with a “substrate control” to ensure the evidentiary value of the crime-scene evidence. (T/F)
The fluid that is used to decolorize ink on a document is called:
The technique best suited for distinguishing among most paint formulations is:
pyrolysis gas chromatography
Uncontaminated surface material close to an area where physical evidence has been deposited is a: