Exam 12: Drugs

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

What three chromatographic processes are most applicable for solving analytical problems typically encountered in the crime laboratory? What is the main advantage of each?

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

Marijuana is synthesized from the Cannabis sativa plant.

________ drugs are substances that are chemically related to some controlled drugs and are pharmacologically potent.

The Scott test can indicate the presence of:

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

________ can separate unknown mixtures into their components.

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

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 -Microcrystalline test

What is the difference between a screening test and a confirmation test?

Briefly describe the basic chromatographic process. Be sure to explain how motion is important to the process.

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

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

Hashish is a concentrated resin secreted by the Cannabis plant.

Barbiturates act to:

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

The source of most narcotic analgesics is ________.

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

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 -Psychological dependence