| A | B |
| A state of physiological and/or psychological need to take more of a substance after continued use. | Dependence |
| Reduced responsiveness to a drug, prompting the user to increase the dosage to achieve effects previously obtained by lower doses of the drug | Tolerance |
| The discomfort and distress that follow when a person who is dependent on a drug discontinues the use of the drug | Withdrawal |
| These type of drugs slow down or inhibit brain activity | Depressants |
| Derived from the opium poppy, these drugs feelings of euphoria & reduce pain | Opiates |
| These types of drugs excite brain activity | Stimulants |
| These type of drugs distort sensory perceptions | Hallucinogens |
| This depressant impairs the parts of the brain responsible for controlling inhibitions and making judgments | Alcohol |
| Drugs that depress the activity of the central nervous system and thereby reduce anxiety. Can be lethal in overdose and interact with other drugs, especially alcohol | Barbiturates |
| Depressants designed to help to reduce anxiety Include Valium and Xanax | Benzodiazepines |
| Paint, glue, gasoline, nitrous oxide & aerosol sprays that in low doses may relax and reduce inhibition | Inhalants |
| Strong sedative and pain-relieving drug derived from opium Works by preventing pain neurons from firing or releasing pain-signaling neurotransmitters (Substance P) into the synapse | Morphine |
| Provides user with a sense of increased energy, mental alertness, and forced wakefulness Blocks neurological receptor sites that if activated, sedate the central nervous system. | Caffeine |
| Stimulant found in tobacco that mimics ACh – reduces fatigue & drowsiness and increases mental alertness | Nicotine |
| Blocks the reuptake of dopamine and other neurotransmitters. Dependency is quick and severe; places extreme strain on cardiovascular system. Can also result in schizophrenic like symptoms. | Cocaine |
| Drugs that stimulate neural activity, speeding up body functions, with associated energy and mood changes. Mimic Adrenaline. | Amphetamines |
| Also known as “acid” can cause flashbacks, psychotic reactions | LSD |
| While helpful in decreasing nausea and reducing effects of glaucoma it also can disrupts memory and cause lung damage | Marijuana |
| This drug that produces lower inhibitions, pleasant feelings, and greater acceptance of others but its side effects are dehydration, rapid heartbeat, tremors, muscle tension, teeth clenching & high body temp | Ecstasy |
| Create feelings of dissociation & depersonalization. Affects neurotransmitter glutamate causing a release of more dopamine in the brain. Highly addictive. Long term effects can be memory loss and depression. | Ketamin, PCP or Angel Dust |