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Forensic Science > Drugs > Flashcards

Drugs Flashcards

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1
Q

What is a drug?

A

Natural or synthetic substances used to produce psychological or psychological effects in humans/animals

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1
Q

What is a psychological dependence?

A

A conditioned use of a drug caused by underlying emotional needs

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2
Q

What is a physical dependence?

A

The need for a drug that is brought on by regular use

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3
Q

What are narcotics?

A

Analgesics; relives pain by depressing action on central nervous system by lowering blood pressure and heart rate (leads to physical dependence)

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4
Q

What are examples of narcotics?

A

Morphine, codeine, OxyContin, methadone, and opium

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5
Q

What are hallucinogens?

A

A substance that introduces changes through processes, perceptions, and moods (does not lead to physical dependence)

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6
Q

What are examples of hallucinogens?

A

Marijuana, THC, LSD, PCP, and MDMA (ecstasy)

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7
Q

What are depressants?

A

A substance used to depress the functions of the nervous system; calm irritability, anxiety, and may induce sleep

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8
Q

What are examples of depressants?

A

Alcohol and anti anxiety medication

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9
Q

What are examples of stimulants?

A

Cocaine, crack, amphetamine (Adderall), and meth

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10
Q

What are stimulants?

A

A substance taken to increase alertness or activity followed by fatigue

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11
Q

What is a club drug?

A

Synthetic drugs used in a club, bar, or rave

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12
Q

What are examples of club drugs?

A

MDMA, GHB, roofies, ketamine, and meth

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13
Q

What are anabolic steroids?

A

Synthetic compounds that are chemically related to the male sex hormone testosterone; prompts development of secondary male characteristics and accelerates male muscle growth

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14
Q

What is an analgesic?

A

A drug or substance that lessens or eliminates pain

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15
Q

What is the controlled substance act?

A

A US federal law that serves to illustrates a legal drug-classification system created to prevent and control drug use

16
Q

What is the criteria the controlled substance act classify dangerous substances?

A
  1. drugs potential for abuse
  2. potential for physical/psychological dependence
  3. medical value
17
Q

According to the controlled substance act, what is the legal difference between schedule’s l drug and ll drug

A

Schedule l has no medical use drug use while schedule ll has limited medical drug use

18
Q

How are drugs collected and preserved for evidence?

A

Package must prevent loss of contents and cross-contamination, field investigator is responsible for ensuring evidence is properly packaged and labeled, and all packages must be marked with info to ensure identification by officer in future and establish chain of custody

19
Q

What are the two analytical procedures that ensure the identification of a drug?

A

A screening test and confirmation test

20
Q

What is a screening test?

A

Nonspecific and preliminary in nature to reduce the possibilities to a manageable number

21
Q

What is a confirmation test?

A

A single test that specifically identifies a subject

22
Q

What is a qualitative determination?

A

Determining the identity of material

23
Q

What is quantitative determination?

A

Determining the amount of substances are present

24
Q

What is a color test?

A

Characteristic colors for the more commonly encountered illicit drugs

25
Q

What is a Marquis Test for?

A

To test heroin and amphetamines

26
Q

What is a Dillie-Koppanyi Test for?

A

To test barbiturates

27
Q

What is Duquenios-Levine Test for?

A

To test marijuana

28
Q

What is a Vanurk Test for?

A

To test for LSD

29
Q

What is a Scott Test for?

A

To test for cocaine

30
Q

What is a Microcrystalline Test?

A

Studying the size and shape of crystals formed when the drug is mixed with specific reagants

31
Q

What is a Confirmational Determination test?

A

A specific test to identify a drug substance to the exclusion of all other known chemical substances

32
Q

What are the two most common confirmational determination tests?

A

Chromatography and spectrophotometer

33
Q

What is chromatography?

A

Separating and tentatively identifying the components of a mixture

34
Q

What is Thin Layer Chromatography?

A

Using a solid stationary phase and a mobile liquid phase to separate the components of a mixture

35
Q

What is Gas Chromatography?

A

Separate mixtures based on their distribution between a stationary liquid phase and a moving gas phase

36
Q

What is a Moving Phase?

A

Gas called the carrier gas which flows through a column

37
Q

What is a Stationary Phase?

A

A thin film of liquid contained within the column

38
Q

What is spectrophotometry?

A

An analytical method for identifying a substance by its selective absorption of different wavelengths of light

Forensic Science (3 decks)

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