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Exam 12: Drugs

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Question 21

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One function of a(n)________ is to disperse light into its different wavelengths.

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Question 22

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

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B) False

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Question 23

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

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

Which is NOT an effect of marijuana use?

Which of the following statements is FALSE?

The distribution of a substance between a mobile and stationary phase describes spectrophotometry.

What is the most common diluent of heroin?

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)Synthetic compounds, chemically related to the male sex hormone testosterone, that are used to promote muscle growth B)Any of several analytical techniques for separating mixtures into their components by attraction to a stationary phase while being propelled by a moving phase C)A substance that slows down the functions of the central nervous system D)A substance that induces changes in normal thought processes, perceptions, and moods E)An analytical method for identifying a substance by its selective absorption of different wavelengths of light F)A single test that specifically identifies a substance G)Invisible long frequencies of light beyond violet in the visible spectrum H)Colored light ranging from red to violet in the electromagnetic spectrum I)A preliminary test used to reduce the number of possible identities of an unknown substance J)A test that identifies a specific substance based on the color and shape of crystals formed when the substance is mixed with specific reagents K)A substance that speeds up the activity of the central nervous system L)A substance that lessens or eliminates pain M)Invisible short frequencies of light before red in the visible spectrum N)The conditioned use of a drug caused by underlying emotional needs O)Physiological need for a drug brought about by its regular use and characterized by withdrawal sickness when administration of the drug is abruptly stopped P)Drug that induces sleep and depresses vital body functions such as blood pressure, pulse rate, and breathing rate -Physical dependence

Arrange the following parts or products of the Cannabis plant in order of THC content, from highest to lowest concentration of THC: flowers, leaves, resin, seeds, stem.

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

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)Synthetic compounds, chemically related to the male sex hormone testosterone, that are used to promote muscle growth B)Any of several analytical techniques for separating mixtures into their components by attraction to a stationary phase while being propelled by a moving phase C)A substance that slows down the functions of the central nervous system D)A substance that induces changes in normal thought processes, perceptions, and moods E)An analytical method for identifying a substance by its selective absorption of different wavelengths of light F)A single test that specifically identifies a substance G)Invisible long frequencies of light beyond violet in the visible spectrum H)Colored light ranging from red to violet in the electromagnetic spectrum I)A preliminary test used to reduce the number of possible identities of an unknown substance J)A test that identifies a specific substance based on the color and shape of crystals formed when the substance is mixed with specific reagents K)A substance that speeds up the activity of the central nervous system L)A substance that lessens or eliminates pain M)Invisible short frequencies of light before red in the visible spectrum N)The conditioned use of a drug caused by underlying emotional needs O)Physiological need for a drug brought about by its regular use and characterized by withdrawal sickness when administration of the drug is abruptly stopped P)Drug that induces sleep and depresses vital body functions such as blood pressure, pulse rate, and breathing rate -Stimulant

A mass spectrometer can detect materials weighing only one millionth of a gram.

Which part of cannabis contains the LEAST amount of THC?

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

What is the most widely used illicit drug in the United States? Under what class of drugs is it listed and what are its short-term physical and psychological effects at low to moderate doses?

Angel dust is a mixture of ________ with other drugs such as LSD or amphetamines.

Cocaine is classified as a narcotic under current federal law.

Marijuana has potential use in which medical application?

The two phases in a forensic scientist's analytical scheme are screening and ________.