The reagent used for the feild test of heroin
Marquis
Marijuana is a source drug of
Hallucinogen
The most satisfying way of simultaneously separating and tentatively indentifying drugs by
Chromatography
Drugs with the highest potential for abuse and having a current medical use are listed in what schedule of controlled Substances Act
Schedule 2
Most common diluent of heroin is
Quinine
If on a field test white powder is purple, what is it
Heroin
The continued use of what will lead to a psychological dependence
Marijuana
The continued use of what will lead to a physical dependence
Ethyl alcohol
What is not a stimulant out of: cocaine, caffeine, Ethyl alcohol, amphetamine
Ethyl alcohol
Heroin is a chemical derivative of what
Morphine
What is considered to be a specific test in a drug identification scheme
Infrared spectrophotometry
What is a drug that does not occur naturally
Amphetamine
What are types of depressant
Librium, Valium, methaqualone, Ethyl alcohol
True or false: marijuana is synthesized by the cannabis sativa plant
False
What are types of hallucinogens
PCP, STP, Mescaline, psilocybin
Valium and Librium are in what schedule
4
What are club drugs
GHB, MDMA, Ketamine, Rohypnol
Name two physiological factors and two nondrug factors that influence drug dependance
Physiological: Nature of the drug, dose, metabolism of person
Nondrug: Setting to which the drug is used, her or his expectation about using the drug, society's attitude and possible responses
How is cocaine professionally classified, how is this incorrect
Listed as a narcotic, but it is a high central nervous system stimulant
It has opposite effects from the depressant effects of narcotics
What is the source of most narcotic drugs? What plant is this substance derived?
Opium, poppy plant
What opium derivative is mostly used by addicts. How is it administered? 2 reasons for the popular administration
Heroin
Intravenously injected
Instant effects with max sensitivity and easily to use on street BC of water solubility
What is the most widely illicit drug in USA? What class is it in? Name two physical and psychological effects in low/moderate dosage
Marijuana
Hallucinogen
Physical- restlessness, hunger, relaxation
Psychological- wellbeing, hilarity, relaxation
What is the most widely abused drug in USA? What class is it in? Name two physical and psychological effects in low/moderate dosage
Alcohol
Depressant
Physical- confidence, impaired coordination
Psychological- impaired judgement, memory, and concentration
How can excessive use of depressants cause death
Depressants can decrease the central nervous system til the point of death, suffocation
Name the two most commonly abused illegal stimulants and the smokable form of each? Why is smoking more intense than inhaling stimulants
Amphetamines and cocaine
Smokable forms are ice and crack
Smoking allows for drug to enter the blood stream and reach the brain faster
Name the 2 common club drugs that are linked to sexual assault and robbery. What are they used so much
GHB, Rohphynol
They can dissolve in liquid quickly and easily
Most pop club drug. Three negative effects
Ecstasy, kidney failure, muscle breakdown and seizures
What criteria does the Controlled Substance Act classify dangerous substances
Potential for abuse, potential for physical and psychological dependence, medical value
What is the legal difference between schedule one and two
Schedule one has no medical usage accepted, schedule two has some medical usage but with strict restrictions
What is a control substance analog, why are they classified as schedule 1 drugs
A type of drug similar to schedule 1(derivatives, not a lot of known info) , it is classified in that schedule BC there is no info on the drug to clarify
What is a precursor? How is the procession of a precursor treated under the controlled substances act
It's a chemical compound used by clandestine drug laboratories to synthesize drugs of abuse. The Controlled Substances Act puts severe penalties in place for those who possess them.
List and describe two phases in a criminalists scene of action for identifying a drug
Screening test- test that reduces the possibilities of a drug to a small number
Confirmation test- single test that specifically identifys a substance
What are two goals of lab testing must accomplish to identify a drug??
Qualitative and quantitive determination
Qualitative- finding the properties of the drug
Quantitive- precise measurement of single property
How does a color test work? What is its main limitation
Many drugs yield characteristic colors when brought into contact with specific chemical reagents. Not only do these tests provide a useful indicator of a drugs presence, but they are alsop used by investigators in the field to examine materials suspected
Describe how a microcrystalline test works. Name two advantages
Chemical reagent is added to a small quantity of drug on a slide, after a short time a crystalline precipitate will form, the size and shape greatly classify the drug,
Tests are rapid and do not require isolation from dilutants in drug
How are ultra spectrophotometry and infrared spectrophotometry used in drug analysis
UV=measures the absorbence of UV and visible light as a function of wavelength or frequency. Infared= different materials always have distinctively different infrared spectra; each IRA spectrum is therefore equivalent to a "fingerprint" of that substance
Two botanical features used to identify marijuana under a microscope, what type of examination used when microscope can't be used
1- observing the bear claw like shaped hairs on the back of the leaf
2-longer glandular hairs on the other side of leaf
Thin layer of chromatography and derquenous -Levine color test are used of microscope is not available