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Toxicology Vocabulary

Across
The use of scientific evidence to estimate the likelihood of adverse effects on the health of individuals or populations from exposure to hazardous materials and conditions
a drug that causes addiction, habituation, or a marked change in consciousness, has limited or no medical use, and is listed in schedule I of the US controlled substances act
a condition occurring with consistent use of one drug whereby a person needs more and more of the drug to produce the same effect
The taking up of a chemical into the body either orally, through inhalation or via skin exposure
a natural or manufactured substance that can cause severe illness or death if ingested, inhaled, or absorbed through the skin
law that established penalties for possession, use, or distribution of illegal drugs and established five schedules for classifying drugs
drug or other chemical compound whose manufacture, distribution, possession, and use are regulated by legal systems
a substance that decreases or inhibits the nervous system, reducing alertness
a substance affecting the nervous system by increasing alertness, attention, and energy, as well as elevating blood pressure, heart rate, and respiration
physical process associated with drug use whereby a person craves a drug; failure to take the drug can result in withdrawal symptoms
an addictive, sleep-inducing drug, often derived from opium, that acts as a central nervous system depressant and suppresses pain
Down
Measurement of toxic agents or the results of their metabolism in biological materials such as blood, urine, expired air or biopsied tissue, to test for exposure to the toxic agents, or the detection of physiological changes that are due to exposure to toxic agents
a drug that changes a person's perceptions and thinking during intoxication
The final step of risk assessment which summarizes information about an agent and evaluates it in order to estimate the risks it poses
A chemical substance or other agent that causes cancer
When exposure to one toxic agent causes a decrease in the effect produced by another toxic agent
The intake into the body of a hazardous material
the study of drugs, poisons, toxins, and other substances that harm a person when used for medical, recreational, or criminal purposes
the degree to which a substance is poisonous or can cause illness
The measured amount of a chemical that is administered at one time, or that an organism is exposed to in a defined period of time
powerful craving for a drug; unlike addiction, it does not result in physical withdrawal symptoms upon discontinuation of the drug
The process by which toxicants are eliminated from the body including through the kidney and urinary tract, the liver and biliary system, the fecal excretor, the lungs, sweat, saliva and lactation
a substance naturally produced by a living thing that can cause illness or death in humans
The dose at which 50% of laboratory animals die within days to weeks