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Chapter 6-7 Forensics Vocabulary
Terms in this set (32)
synthetic substances that are similar to the male hormone testosterone
A physical separation technique to analyze the different parts of a liquid mixture.
a single test that specifically identifies a substance
a substance that slows down, or depresses, the functions of the central nervous system
a substance that induces changes in normal thought processes, perceptions, and moods
invisible short frequencies of light before red in the visible spectrum
an atom or molecule bearing a positive or negative charge
a test that identifies a specific substance based on the color and shape of crystals formed when the substance is mixed with specific reagents
a device for isolating individual wavelengths or frequencies of light.
a drug that induces sleep and depresses vital body functions such as blood pressure, pulse rate, and breathing rate
a physiological need to use a drug brought about by regular use and characterized with withdrawal sickness when administration stops.
the conditioned use of a drug caused by underlying emotional needs
a preliminary test used to reduce the number of possible identities of an unknown substance
an analytical method for identifying a substance by its selective absorption of different wavelengths of light.
a substance that speeds up, or stimulates, the central nervous system
invisible long frequencies of light beyond violet in the visible spectrum
passage of alcohol across the wall of the stomach and small intestine into the bloodstream
a compound capable of donating a hydrogen ion (H+) to another compound
small sacs in the lungs through whose walls air and other gases are exchanged between the breath and the blood
substance that prevents blood from clotting
Blood vessel carrying blood away from the heart
a compound capable of accepting a Hydrogen ion (H+)
a tiny blood vessel that receives blood from arteries and carries it to veins, and across whose walls exchange of materials between the blood and the tissues takes place.
elimination of alcohol from the body in an unchanged state; alcohol is normally excreted in breath and urine
fuel cell detector
a detector in which a chemical reaction involving alcohol produces electricity.
the transformation of a chemical in the body to other chemicals to facilitate its elimination from the body
the combination of oxygen with other substances to produce new products
a scale used to express the basicity or acidity of a substance. a pH of 7 is neutral; lower values are acidic and higher values basic.
a substance that stops the growth of microorganisms in blood
an individual whose job is to detect and identify drugs and poisons in body fluids, tissues, and organs
blood vessel carrying blood toward the heart
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