Deck 12: Drugs

Question 1

Which hallucinogen can be synthesized by a simple chemical process and is often manufactured in clandestine laboratories?

A)Marijuana
B)Mescaline
C)PCP
D)LSD

Answer 1

C

Question 2

What is the percentage of evidence evaluated in the crime lab that is drug-related?

A)25%
B)75%
C)60%
D)35%

Answer 2

B

Question 3

The administration of which drug eliminates an addict's desire for heroin?

A)Methadone
B)Morphine
C)OxyContin
D)Codeine

Answer 3

A

Question 4

What is NOT true about codeine?

A)It is stronger than morphine.
B)It is prepared synthetically from morphine.
C)It is present in opium.
D)It is a component in over-the-counter cough medicine.

Question 5

Which is the most widely used and abused drug?

A)Alcohol
B)Cocaine
C)Heroin
D)Marijuana

Question 6

Which part of cannabis contains the LEAST amount of THC?

A)Seeds
B)Flower
C)Leaf
D)Resin

Question 7

Which is NOT an effect of marijuana use?

A)Dryness of the mouth
B)Increased heart rate
C)Reddening of the eyes
D)Decrease in appetite for sweets

Question 8

Which is NOT derived from opium?

A)Morphine
B)Marijuana
C)Heroin
D)Codeine

Question 9

Which barbiturate is absorbed more slowly than the others?

A)Phenobarbital
B)Secobarbital
C)Pentobarbital
D)Amobarbital

Question 10

What is the most potent form of marijuana?

A)Hashish
B)Loose vegetation
C)Sinsemilla
D)Flowers

Question 11

A low dose of alcohol will NOT inhibit:

A)Confidence.
B)Concentration.
C)Judgment.
D)Memory.

Question 12

Use of which of the following drugs is LEAST likely to lead to psychological dependence?

A)Codeine
B)Alcohol
C)Heroin
D)Cocaine

Question 13

Which is the most widely used illicit drug in the United States today?

A)Marijuana
B)Heroin
C)Cocaine
D)Alcohol

Question 14

Which physical symptom is part of abstinence syndrome?

A)Body chills
B)Stomach cramps and vomiting
C)Convulsions
D)All of the above

Question 15

Which drug is often incorrectly classified as a narcotic?

A)Heroin
B)Morphine
C)Marijuana
D)Codeine

Question 16

Which substance is NOT normally used as a diluent of heroin?

A)Procaine
B)Starch
C)Glucose
D)Quinine

Question 17

The pattern and intensity of dependency on a drug does NOT depend on the:

A)Cost of the drug.
B)Individual's rate of metabolism.
C)Dose and route of administration.
D)Frequency of administration.

Question 18

Most narcotics are:

A)Physically addicting.
B)Obtained from opium.
C)Depressants to the central nervous system.
D)All of the above

Question 19

The use of which drug will NOT lead to physical dependence?

A)Barbiturates
B)Heroin
C)Cocaine
D)Alcohol

Question 20

Marijuana has potential use in which medical application?

A)Lessening of nausea caused by anticancer drugs
B)Useful as a muscle relaxant
C)Reduction of excessive eye pressure in glaucoma
D)All of the above

Question 21

The most difficult drug addiction to overcome is that of:

A)Nicotine.
B)Alcohol.
C)Crack cocaine.
D)Heroin.

Question 22

Which technique allows for both separation and specific identification of a questioned mixture of substances?

A)GC/MS
B)GC
C)UV spectrophotometry
D)IR spectrophotometry

Question 23

The Van Urk reagent was used to test a sample and it turned bluish-purple. This indicates the presence of:

A)LSD.
B)MDMA.
C)GHB.
D)PCP.

Question 24

The sniffing of volatile solvents can cause:

A)Drowsiness and stupor.
B)Slurred speech and double vision.
C)Feelings of exhilaration and euphoria.
D)All of the above

Question 25

What is NOT true of the use of anabolic steroids?

A)They can greatly enhance strength and general athletic performance.
B)They can cause unpredictable effects on mood and personality.
C)They can produce infertility and diminished sex drive in males.
D)They can cause masculinizing effects in females.

Question 26

Which is true of the use of mild tranquilizers?

A)They impair high-thinking faculties.
B)They induce sleep.
C)They do not produce dependency.
D)They reduce tension.

Question 27

The specificity of microcrystalline tests is ________ the specificity of color tests.

A)Less than
B)The same as
C)Greater than
D)None of the above

Question 28

The Dillie-Koppanyi reagent is useful in screening for:

A)Amphetamines.
B)Barbiturates.
C)Marijuana.
D)Opiates

Question 29

Duquenois-Levine solutions were used on a sample and the chloroform layer turned purple. This suggests that the tested substance is:

A)Marijuana.
B)Cocaine.
C)Valium.
D)Heroin.

Question 30

The ability to make a positive identification of a drug using UV spectrophotometry is ________ the ability to make a positive identification using IR spectrophotometry.

A)The same as
B)Less than
C)Greater than
D)None of the above

Question 31

Most often, cocaine is:

A)Snorted.
B)Smoked.
C)Injected.
D)Swallowed.

Question 32

Which type of test would the drug analyst logically use first?

A)Gas chromatography
B)Microcrystalline
C)TLC
D)Color

Question 33

The Controlled Substance Act established five schedules of classification for substances based on the drugs:

A)Medical value.
B)Potential for physical dependence.
C)Potential for psychological dependence.
D)All of the above

Question 34

The Marquis reagent was used on drug evidence and it turned purple. The drug being tested could be:

A)Heroin.
B)Cocaine.
C)Methadone.
D)A or B

Question 35

Methamphetamine is a:

A)Depressant.
B)Hallucinogen.
C)Stimulant.
D)Tranquilizer.

Question 36

Cocaine is a(n):

A)Stimulant.
B)Opiate.
C)Depressant.
D)Hallucinogen.

Question 37

What is true about the "club drug" Rohypnol?

A)It is enhanced when combined with alcohol.
B)It results in loss of memory of what happened in the hours after ingestion.
C)It is odorless, colorless, and tasteless.
D)All of the above

Question 38

MDMA (Ecstasy)does NOT cause:

A)Increased heart rate and blood pressure.
B)Increased inhibition.
C)Confusion, anxiety, and paranoia.
D)Hallucinogenic and amphetamine-like effects.

Question 39

The Scott test can indicate the presence of:

A)Marijuana.
B)Cocaine.
C)Codeine.
D)Librium.

Question 40

Barbiturates act to:

A)Produce sleep.
B)Create a feeling of well-being.
C)Promote relaxation.
D)All of the above

Question 41

Which of the following are considered to be "club drugs"?

A)Ketamine
B)MDMA
C)Rohypnol
D)All of the above

Question 42

Drugs deemed to have the highest potential for abuse and having a current medical use are listed in which schedule of the Controlled Substances Act?

A)I
B)II
C)III
D)IV

Question 43

Regular use of the following drug may lead to physical dependency:

A)LSD.
B)Marijuana.
C)Aspirin.
D)Ethyl alcohol.

Question 44

Which of the following is considered to be a hallucinogen?

A)Phencyclidine (PCP)
B)Mescaline
C)Psilocybin
D)All of the above

Question 45

The most satisfactory way of simultaneously separating and tentatively identifying drugs is by:

A)Ultraviolet spectrophotometry
B)Infrared spectrophotometry
C)Emission spectroscopy
D)Chromatography

Question 46

A police officer performs a field test on a white powder, obtaining a purple color. What drug is most likely present?

A)Cocaine
B)Heroin
C)LSD
D)Methadone

Question 47

Marijuana is considered to be a:

A)Depressant.
B)Stimulant.
C)Narcotic.
D)Hallucinogen.

Question 48

Which of the following is NOT a depressant?

A)Librium
B)Valium
C)Methaqualone
D)All of the above are depressants

Question 49

Heroin is a chemical derivative of:

A)Morphine
B)Barbituric acid
C)Codeine
D)Methadone

Question 50

The tranquilizers Valium and Librium are classified in which schedule of the Controlled Substances Act?

A)I
B)II
C)III
D)IV

Question 51

There is a significant likelihood that continued use of ________ will result in a high degree of psychological dependence.

A)Cocaine
B)Heroin
C)Marijuana
D)All of the above

Question 52

Which of the following is synthetically produced and does not occur naturally?

A)Cocaine
B)Amphetamine
C)Morphine
D)Opium

Question 53

A compound can tentatively be identified by gas chromatography from its:

A)Carrier gas.
B)Rf value.
C)Partition coefficient.
D)Retention time.

Question 54

Which of the following statements is FALSE?

A)Hashish is a concentrated preparation of marijuana.
B)The active ingredient of marijuana is tetrahydrocannabinol.
C)Prior to 1970 marijuana was classified as a narcotic drug.
D)Marijuana is synthesized from the Cannabis sinsemilla plant.

Question 55

The reagent used for the field test of heroin is:

A)Marquis.
B)Duquenois-Levine.
C)Scott reagent.
D)Van Urk.

Question 56

What is the most common diluent of heroin?

A)Mannitol
B)Quinine
C)Procaine
D)Starch

Question 57

Which of the following is NOT a stimulant?

A)Caffeine
B)Amphetamine
C)Cocaine
D)Ethyl alcohol

Question 58

"Designer" drugs are:

A)High-end products of the major pharmaceutical companies.
B)Often abused by the wealthy.
C)Very often used in the fashion industry.
D)Chemically related to controlled substances.

Question 59

Gas chromatography suffers a big drawback in that it does not produce specific identification. This problem is overcome by connecting the GC to a:

A)GRIM 3.
B)MS.
C)HPLC.
D)TLC.

Question 60

Which absorption spectrum is equivalent to a "fingerprint" of a substance and can be used for identification purposes?

A)Visible
B)IR
C)UV
D)X-ray

Question 61

Chromatography is NOT used to:

A)Aid in analysis of illicit drug preparations.
B)Separate molecules in a mixture.
C)Determine colors of a compound.
D)Tentatively identify molecules.

Question 62

Marijuana is the most widely abused drug in the United States.

Question 63

Drugs deemed to have the highest potential for abuse and having a current medical use are listed in Schedule I of the Controlled Substances Act.

Question 64

Increasing caseloads associated with drug evidence have provided the major justification for expanding forensic laboratory services.

Question 65

Thin-layer chromatography was performed and four spots were visualized on the glass slide. The substance with which Rf value was least soluble in the stationary phase?

A)Rf value .7
B)Rf value .2
C)Rf value .5
D)Rf value 8.5

Question 66

Gas chromatography cannot be considered an absolute means of identification.

Question 67

Psychological dependence is the physiological need for a drug that has been brought about by its regular use.

Question 68

The two most commonly abused illegal stimulants are amphetamines and cocaine.

Question 69

Physical dependence develops only when the drug user uses a drug on a regular schedule.

Question 70

TLC uses ________ as its moving phase.

A)A carrier gas
B)Silica gel
C)A thin film
D)Liquid

Question 71

Resin has higher concentrations of THC than the flowers of the Cannabis plant.

Question 72

A drug user's expectations do not play a role in drug dependence.

Question 73

Sedatives are drugs that cause marked alteration in thought processes, perceptions, and moods.

Question 74

Methadone is used to treat chronic pain, and OxyContin is used to eliminate an addict's desire for heroin while producing minimal side effects.

Question 75

Drugs prepared from opium include morphine, heroin, and codeine.

Question 76

Which of the following analytical technique is considered to be a specific test in a drug identification scheme?

A)Color test
B)Microcrystalline test
C)Thin-layer chromatography
D)Infrared spectrophotometry

Question 77

Heroin is typically snorted by addicts.

Question 78

Hashish is a concentrated resin secreted by the Cannabis plant.

Question 79

Cocaine is classified as a narcotic under current federal law.

Question 80

Marijuana is synthesized from the Cannabis sativa plant.