Forensics Chapter 7 Drugs, Forensics Chapter 8 Toxicology

controlled drugs

material whose possession is controlled by law

cannabis sativa

a tall, annual hemp plant native to Central Asia from which marijuana is harvested

alkaloid

one class of bitter-tasting, basic organic compounds with nitrogen-containing rings, which are normally obtained from plants

analgesic

a drug that relieves pain

designer drug

a drug synthesized with particular pharmacological characteristics, designed for abuse and evasion of specific drug laws

false positive

a test result that comes out positive when the material being tested for is not present

spectrophotometry

measurement of the absorption of electromagnetic radiation of a substance at different wavelengths of the spectrum

plasma

the fluid portion of blood, obtained by centrifuging a whole blood sample

metabolism

the sum of all chemical processes occurring in an organism

presumptive test

test that presumes the presence of the questioned substance; screening test

immiscible

describes materials that do not mix

confirmatory test

a test that specifically identifies one substance

analyte

a substance being analyzed

toxicology

the study of the adverse effects of chemicals of physical agents on living organisms.

toxin

a substance that causes injury to the health of a living thing on contact or absorption

chronic exposure

continuing exposure to toxins over a long period of time

acute toxicity

occurring almost immediately (hours or days) after an exposure

LD50

lethal dose for 50% of a given population

DUI

driving under the influence

DWI

driving while intoxicated

OUI

Operating under the influence

OWI

operating while intoxicated

MIP

minor in possession