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Substances

Substances Vocab

TermDefinition
Drug Any substance, other than food, that changes the structure or the function of the body.
Medicine Legal drugs that help the body fight injury, illness, or disease.
Addiction Drinker has no longer has control over his or her drinking.
Dependence Brain develops a chemical need for alcohol and cannot function normally without it.
Physical Dependence Physically needing a drug to function normally (Withdrawal).
Psychological Dependence Mentally craving a drug (Addiction).
Withdrawal Group of symptoms that occur when a dependent person stops taking a drug.
Tolerance With repeated use of alcohol, its effects in the brain become reduced.
Synergism Occurs when drugs interact to produce effects greater than those that each drug would produce alone.
Antagonism Occurs when each drug's effect is canceled out or reduced by the other.
Drug use Using drugs correctly for medical purposes.
Drug misuse Using drugs incorrectly.
Drug Abuse Using drugs for no medical reason.
Prescription drugs A drug that can be obtained only with a written order from a doctor and can be purchased only at a pharmacy.
Over-the-counter (OTC) drugs A medicine that is sold legally in pharmacies and other stores without a doctor's prescription.
Stimulants Drugs that increases and speeds up activity of the central nervous system.
Depressants Psychoactive drugs that slows brain and body reactions.
Hallucinogens Drugs that distort perception, thought, and mood.
Club Drugs Strength and quality of drugs are highly unpredictable--their effects are different person to person and are very dangerous.
Inhalants Breathable chemical vapors that produce mind-altering effects.
Steroids (Anabolic) Artificial forms of the male hormone testosterone.
Marijuana Leaves, stems, and flowering tops of the hemp plant Cannabis sativa.
Gateway Drug A drug that leads to other "harder" drugs.
Analgesic Pain Reliever
Zero Tolerance Law A law that faces students with stiff consequences--including suspension--starting with the first time they are caught with alcohol or other drugs.
Reverse Tolerance A condition in which less and less alcohol causes intoxication.
Intoxication State in which the person's mental and physical abilities are impaired by alcohol or another substance
BAC Amount of alcohol in a person's blood.
Fetal alcohol Syndrome A group of birth defects caused by the effects of alcohol on an unborn child.
FDA Inspects, tests, and assesses the safety of food, drugs, and a variety of consumer goods.
Tar A mixture of hundreds of chemicals.
Nicotine A very addictive chemical in tobacco products.
Carbon Monoxide A poisonous, odorless gas made when burned with substances like tobacco.
Second Hand Smoke The combination of mainstream and sidestream smoke and inhaled by everyone near the smoker.
Sidestream Smoke Smoke that goes into the air directly from the cigarette.
Mainstream Smoke Exhaled from a smoker's lungs.
Emphysema A disorder in which alveoli in the lungs can no longer function properly.
Bronchitis An infection that causes the mucous membranes lining the bronchi to become inflamed.
Cirrohosis A disease that may lead to death due to liver damage.
Created by: KenSolomon