Drugs

Which of the following is synthetically produced and does not occur naturally? A) amphetamine B) opium C) morphine D) ethyl alcohol E) cocaine

A

Which of the following is the most widely used and abused drug? A) alcohol B) amphetamine C) heroin D) marijuana E) cocaine

A

Cocaine is a(n): A) hallucinogen. B) opiate. C) hypnotic. D) depressant. E) stimulant.

E

Heroin is a chemical derivative of: A) amphetamine B) barbituric acid C) codeine D) methadone E) morphine

E

Marijuana is considered to be a: A) tranquilizer B) depressant C) stimulant D) narcotic E) hallucinogen

E

Most narcotics are: A) obtained from opium. B) depressants to the central nervous system. C) physically addicting. D) pain relievers. E) all of the above

E

Which of the following is NOT derived from opium? A) marijuana B) morphine C) heroin D) codeine E) none of the above

A

Which of the following is NOT a part of a simple spectrophotometer? A) column B) radiation source C) CCD camera D) monochrometer E) sample cel

A

A big drawback of gas chromatography is that it does not produce specific identification. This problem is overcome by connecting the GC to a: A) MS. B) HPLC. C) computer. D) TLC. E) GRIM 3.

A

Regular use of the following drug may lead to physical dependency: A) ethyl alcohol B) marijuana C) aspirin D) caffeine E) LSD

A

The Dillie-Koppanyi reagent is useful in screening for: A) barbiturates. B) amphetamines. C) cocaine. D) opiates. E) marijuana.

A

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) either A or B E) either A or C

A

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) less than B) the same as C) greater than

A

The details of the pattern of an infrared (IR) spectrograph are ________ the details of an ultraviolet (UV) spectrograph. A) greater than B) less than C) the same as

A

The quantity of a substance separated by gas chromatography can be determined by its: A) peak area. B) total electric charge. C) IR absorption profile. D) R value. E) retention time.

A

Which drug is often incorrectly classified as a narcotic? A) marijuana B) heroin C) opium D) morphine E) codeine

A

Which of the following statements is false? A) Marijuana is synthesized from the Cannabis sinsemilla plant. B) Prior to 1970 marijuana was classified as a narcotic drug. C) The active ingredient of marijuana is tetrahydrocannabinol. D) Marijuana can tentatively be identified by the Duquenois-Levine color test. E) Hashish is a concentrated preparation of marijuana.

A

Duquenois-Levine solutions were used on a sample and the chloroform layer turned purple. This suggests that the tested substance is: A) valium. B) marijuana. C) morphine. D) heroin. E) cocaine.

B

Methamphetamine is a: A) depressant. B) stimulant. C) hallucinogen. D) tranquilizer. E) none of the above

B

The Van Urk reagent was used to test a sample and it turned bluish-purple. This indicates the presence of: A) THC. B) LSD. C) PCP. D) GHB. E) MDMA.

B

The pattern and intensity of dependency on a drug does not depend on the: A) individualʹs rate of metabolism. B) cost of the drug. C) dose and route of administration. D) frequency of administration. E) bioavailability of the active metabolite

B

The specificity of microcrystalline tests is ________ the specificity of color tests. A) the same as B) greater than C) less than

B

The use of which drug will NOT lead to physical dependence? A) barbiturates B) cocaine C) heroin D) alcohol E) nicotine

B

Thin-layer chromatography was performed and four spots were visualized on the glass slide. The substance with which R value was least soluble in the stationary phase? A) R value .7 B) R value .2 C) R value 10.0 D) R value 8.5 E) R value .5

B

What is NOT true of the use of anabolic steroids? A) They can cause depression. B) They can greatly enhance strength and general athletic performance. C) They can cause masculinizing effects in females. D) They can cause unpredictable effects on mood and personality. E) They can produce infertility and diminished sex drive in males.

B

What is the most potent form of marijuana? A) hashish B) liquid hashish C) loose vegetation D) sinsemilla E) none of the above

B

What is the most widely used illicit drug in the United States today? A) methadone B) marijuana C) cocaine D) heroin E) alcohol

B

Which absorption spectrum is equivalent to a ʺfingerprintʺ of a substance? A) x-ray B) IR C) UV D) visible E) No absorption spectrum is sufficiently complex as to be unique.

B

Which statement is true of the use of mild tranquilizers? A) They induce sleep. B) They reduce tension. C) They impair high-thinking faculties. D) They are never used in the treatment of mental health disorders. E) They do not produce dependency.

B

Which substance is NOT normally used as a diluent of heroin? A) starch B) glucose C) procaine D) quinine E) mannitol

B

Which technique allows for both separation and specific identification of a questioned mixture of substances? A) GC B) GC/MS C) TLC D) UV spectrophotometry E) IR spectrophotometry

B

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) V C) II D) III E) IV

C

Most often, cocaine is: A) smoked. B) injected. C) snorted. D) swallowed. E) none of the above

C

The administration of which drug eliminates an addictʹs desire for heroin? A) codeine B) morphine C) methadone D) methamphetamine E) OxyContin

C

Use of which of the following drugs is LEAST likely to lead to psychological dependence? A) nicotine B) alcohol C) codeine D) heroin E) cocaine

C

Which barbiturate is absorbed more slowly than the others? A) amobarbital B) butabarbital C) phenobarbital D) pentobarbital E) secobarbital

C

Which is NOT an effect of marijuana use? A) impaired motor skills B) dryness of the mouth C) decrease in appetite for sweets D) reddening of the eyes E) increased heart rate

C

Which of the following is not a stimulant? A) amphetamine B) caffeine C) ethyl alcohol D) cocaine E) all of the above are stimulants

C

Which part of cannabis contains the LEAST amount of THC? A) resin B) leaf C) seeds D) bud E) flower

C

ʺDesignerʺ drugs are: A) very often used in the fashion industry. B) high-end products of the major pharmaceutical companies. C) chemically related to controlled substances. D) only available in ʺboutiqueʺ pharmacies and drug stores. E) often abused by the wealthy

C

A low dose of alcohol will NOT inhibit: A) judgment. B) concentration. C) memory. D) confidence. E) all of the above

D

MDMA (Ecstasy) does NOT cause: A) increased heart rate and blood pressure. B) confusion, anxiety and paranoia. C) hallucinogenic and amphetamine-like effects. D) increased inhibition. E) feelings of happiness and relaxation.

D

Marijuana has potential use in which medical application? A) lessening of nausea caused by anticancer drugs B) reduction of excessive eye pressure in glaucoma C) useful as a muscle relaxant D) all of the above E) none of the above

D

Scott Test solutions can indicate the presence of: A) codeine. B) marijuana. C) heroin. D) cocaine. E) Librium.

D

Spectrophotometry can be used for: A) chemical identification of a substance. B) quantification of a substance. C) identifying the source of a substance. D) both A and B E) neither A nor B

D

Spectrophotometry utilizes which light source? A) infrared B) UV C) visible D) all of the above E) none of the above

D

TLC uses ________ as its moving phase. A) a gas B) a carrier gas C) a thin film D) liquid E) silica gel

D

What is NOT true about codeine? A) It is not commonly seen as a street drug. B) It is a component in over-the-counter cough medicine. C) It is prepared synthetically from morphine. D) It is stronger than morphine. E) It is present in opium.

D

Which chromatographic process would be LEAST likely to be utilized in the crime lab? A) gas chromatography-mass spectrometry B) TLC C) GC D) paper chromatography E) None, all are used with equal frequency

D

Which type of test would logically be used first by the drug analyst? A) gas chromatography B) TLC C) taste D) color E) microcrystalline

D

Barbiturates act to: A) create a feeling of well-being. B) promote relaxation. C) suppress central nervous system functions. D) produce sleep. E) all of the above

E

The Controlled Substance Act established five schedules of classification for substances based on a drugʹs: A) potential for physical dependence. B) medical value. C) potential for psychological dependence. D) potential for abuse. E) all of the above

E

The most difficult drug addiction to overcome is that of: A) heroin. B) nicotine. C) caffeine. D) alcohol. E) crack cocaine.

E

The sniffing of volatile solvents can cause: A) slurred speech and double vision. B) feelings of exhilaration and euphoria. C) drowsiness and stupor. D) liver, heart, and brain damage. E) all of the above

E

The tranquilizers Valium and Librium are classified in which schedule of the Controlled Substances Act? A) III B) II C) I D) V E) IV

E

There is a significant likelihood that continued use of ___________ will result in a high degree of psychological dependence. A) amphetamines B) cocaine C) heroin D) marijuana E) all of the above

E

What is the percentage of evidence evaluated in the crime lab that is drug -related? A) 35% B) 90% C) 25% D) 60% E) 75%

E

What is true about the ʺclub drugʺ Rohypnol? A) It results in loss of memory of what happened in the hours after ingestion. B) It is odorless, colorless and tasteless. C) It is enhanced when combined with alcohol. D) It can cause drowsiness, dizziness, and loss of consciousness. E) all of the above

E

Which hallucinogen can be synthesized by a simple chemical process and is often manufactured in clandestine laboratories? A) LSD B) marijuana C) mescaline D) cocaine E) PCP

E

Which of the following are considered to be "club drugs"? A) Rohypnol B) GHB C) ketamine D) MDMA E) all of the above

E

Which of the following is considered to be a hallucinogen? A) STP B) phencyclidine (PCP) C) mescaline D) psilocybin E) all of the above are hallucinogens

E

Which of the following is not a depressant? A) methaqualone B) Librium C) ethyl alcohol D) Valium E) all of the above are depressants

E

Which physical symptom is part of the abstinence syndrome? A) stomach cramps and vomiting B) body chills C) hallucinations D) convulsions E) all of the above

E