5.2 Altering Consciousness With Psychoactive Drugs Flashcards
1
Q
psychoactive drug
A
- a chemical that changes our states of consciousness, and particularly our perceptions and moods
2
Q
four primary classes of psychoactive drugs
A
- stimulants, depressants, opioids, and hallucinogens
3
Q
tolerance
A
- an increase in the dose required to produce the same effect
4
Q
dependence
A
- a need to use a drug or other substance regularly
5
Q
withdrawl
A
- negative experiences that accompany reducing or stopping drug use, including physical pain and other symptoms. When the user powerfully craves the drug and is driven to seek it out, over and over again, no matter what the physical, social, financial, and legal cost
6
Q
safety ratio
A
- it is based on the dose that is likely to be fatal divided by the normal dose needed to feel the effects of the drug
7
Q
stimulant
A
- a psychoactive drug that operates by blocking the reuptake of dopamine, norepinephrine, and serotonin in the synapses of the CNS
8
Q
caffeine
A
- a bitter psychoactive drug found in the beans, leaves, and fruits of plants, where it acts as a natural pesticide
9
Q
nicotine
A
- a psychoactive drug found in the nightshade family of plants, where it acts as a natural pesticide
10
Q
cocaine
A
- an addictive drug obtained from the leaves of the coca plant
11
Q
amphetamine
A
- a stimulant that produces increased wakefulness and focus, along with decreased fatigue and appetite
12
Q
methamphetamine
A
- methylated version of amphetamine
13
Q
depressant
A
- a psychoactive drug that reduces the activity of the CNS
14
Q
alcohol
A
a colorless liquid, produced by the fermentation of sugar or starch, that is the intoxicating agent in fermented drinks
15
Q
Barbiturates
A
depressants that are commonly prescribed as sleeping pills and painkillers
