forensics final 2 Word Scramble

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Question	Answer
Barbiturates act to:	Create a feeling of well being, promote relaxation, produce sleep
Which of the following is considered to be a hallucinogen?	Psilocybin, PCP, Mescaline
Marijuana is considered to be a:	Hallucinogen
Heroin is a chemical derivative of:	Morphine
Which is true of the use of mild tranquilizers?	They reduce tension
The use of which drug will NOT lead to physical dependence?	Cocaine
Which hallucinogen can be synthesized by a simple chemical process and is often manufactured in clandestine laboratories?	PCP
Which physical symptom is part of the abstinence syndrome?	Convulsions, Body Chills, stomach cramps and vomiting
Which is the most widely used illicit drug in the United States today?	Marijuana
The specificity of microcrystalline tests is ________ the specificity of color tests.	Greater than
Most narcotics are:	Obtained from opium, physically addicting, depressants to the central nervous system
Which technique allows for both separation and specific identification of a questioned mixture of substances?	GC/MS
Duquenois-Levine solutions were used on a sample and the chloroform layer turned purple. This suggests that the tested substance is:	Marijuana
The tranquilizers Valium and Librium are classified in which schedule of the Controlled Substances Act?	IV
Methamphetamine is a:	stimulant
A compound can tentatively be identified by gas chromatography from its:	Retention time
The Marquis Reagent was used on drug evidence and it turned purple. The drug being tested could be:	Heroin
What is true about the "club drug" Rohypnol?	Odorless, colorless, tasteless, enhanced when combined with alcohol
Which is the most widely used and abused drug?	Alcohol
Which absorption spectrum is equivalent to a "fingerprint" of a substance and can be used for identification purposes?	IR
Which part of cannabis contains the LEAST amount of THC?	Seeds
The DOT set the maximum allowable blood alcohol concentration for commercial truck and bus drivers at:	0.04%
Which is NOT a factor in determining the rate at which alcohol is absorbed into the bloodstream?	Amount consumed, presence of food in stomach, alcohol content
Alcohol is oxidized in the body primarily in:	The liver
The toxicologist's capabilities are NOT directly dependent on the input from the:	Case prosecutor
The Reinsch test would NOT be used to detect:	Copper
The DRE program incorporates standardized methods for examining suspects to determine:	Under the influence of one or more drugs
About 95-98 percent of alcohol is oxidized to what two substances?	water and Carbon dioxide
Carbon monoxide is toxic because it:	Combines with hemoglobin to form carboxyhemoglobin
The analytical technique widely used for directly measuring the amount of alcohol present in the blood is:	Gas Chromatography
For the purpose of extracting the drug out of body tissues, an amphetamine is classified as an:	Basic drug
Upon entering the bloodstream, heroin is almost immediately metabolized into:	Morphine
The presence of high levels of carbon monoxide in the blood of a victim found at the scene of a suspicious fire is proof that the victim:	Perished after the fire started
A drug recognition expert (DRE) can:	Advise the toxicologist as to which drug may be impairing an individual
A breath test may be used to analyze	ethyl alcohol
A substance with a pH of 8 is likely to be:	Basic
The rate of alcohol absorption on a full stomach is ________ the rate of absorption on an empty stomach.	less than
In forensic toxicology, all positive drug findings must be confirmed by a specific chemical test. The confirmation test of choice is:	Gas chromatography- mass spectrometry
Alcohol is eliminated from the body chemically unchanged in:	Breath, perspiration, Urine
The concentration of alcohol in an exhaled breath is in direct proportion to that of the blood of the same individual. The ratio of this relationship is closest to:	1:2,000
In the case of Schmerber v. California, blood was categorized as being:	Nontestimonial evidence
Analyzing segments of hair for drug content may define the timeline for drug use, dating it back over a period of:	Days, weeks, years
Blood is drawn from a living suspect involved in an automobile accident. If the specimen is kept unrefrigerated and at a moderately warm temperature the alcohol concentration can be expected to:	Decreases with time
After a blood sample is collected for alcohol testing, a(n) ________ is added to stop the blood from clotting.	Anti-Coagulant
There is a(n) ________ relationship between the amount of alcohol in the blood and that in the alveolar breath.	Direct
Field sobriety tests that can be employed to ascertain the degree of an individual's alcohol impairment normally do not include the following:	Gas chromatography
The emission spectrograph is used to determine the:	Elemental composition of a substance
Neutron activation analysis involves bombarding specimens with neutrons and then measuring the resultant:	Gamma rays
Paint binders can be chemically analyzed using:	Pyrolysis GC and IR spectrophotometry
If soil is found adhering to an object, the investigator should remove the soil particles from the object and send them to the laboratory.	False
The variety of coatings applied to the body of an automobile adds significant diversity to automobile paint and contributes to the forensic significance of automobile paint comparisons.	True
The minerals found in different soil samples cannot effectively be used to determine whether or not they have the same origin.	False
Emission spectroscopy measures the frequency of light emitted by an atom when one of its electrons moves to a higher orbital.	False
Which is NOT part of the composition of paint?	Adhesive
An element is selective in the frequency of light it will absorb. This selectivity is due to its:	Electron energy levels
Paint chips may be individualized to a single source by examining their:	Color and layer structure
Automobile finishes typically contain which layer(s)?	Electrocoat primer, colorcoat, clearcoat
After the paint has been applied to a surface, the solvent evaporates.	True
After examining small paint chips from an auto accident scene and using the PDQ database, the crime lab worker can determine the ________ of the vehicle.	Year, model, make
What type of evidence would be expected to have trace elements?	Paint, bullet fragments, glass, metal objects, soil, gun primer particles
What is the logical first step in soil analysis?	Comparison of dried soil sample for color and texture
Standard/reference soil samples should be collected at the site of the crime at various intervals within a 100-foot radius of the crime scene.	True
Which property imparts paint with its most distinctive forensic characteristics?	Color-layer sequence
The ________ properties of crystals, such as refractive index and birefringence, provide points of identification that help characterize them.	Optical
Which coat represents the "eye appeal"?	Basecoat
Which would be LEAST useful in identifying a mineral crystal?	Size
It is not necessary that the collected paint from a vehicle involved in a hit-and-run accident be close to the area of the car suspected of being in contact with the victim.	False
Which coating provides resistance to corrosion?	Electrocoat primer
Paint as physical evidence is most frequently encountered in:	Burglary, hit and run
The concentration of the absorbing element is directly proportional to the quantity of the light absorbed.	True
The investigator should not try to remove trace paint evidence found on a tool but package the tool for laboratory examination instead.	True

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