Drugs Flashcards
Psychoactive Drugs
substances that affect the nervous system (brain, spinal chord, nerves)
Stimulants
(aka amphetamines) substances that promote an increase in the activity of a body system or function. They alleviate fatigue and produce a feeling of mental alertness and well being.
Examples of Stimulants
cocaine crack whites crystal meth amphetamine greenies nicotine ephedrine
What brain centers do stimulants affect?
Cerebral Cortex (memory and reasoning)
Hypothalamus (appetite, sleep, emotions)
Cerebellum (motor skills, balance)
Neurotransmitters
dopamine seratonin endorphin acetyl-chlorine epinepherine oxytocin
Desired effects of stimulants
euphoria (an intense feeling of well being)
Side effects of stimulants
vaso constrictor headaches vomiting possible heart attack possible liver damage nasal problems if snorted (nose bleeds, loss of sense of smell, hole in nasal septum) pregnant woman expose fetal damage
Medicinal use of stimulants
ADD
weight loss
vaso constrictor
Depressants
substances that reduce activity of a body system or function. Sedatives that slow heart rate, breathing, ease stress, make you sleep. Physically and psychologically addicting.
Tranquilizers
calm emotions without changing ability to think or be alert
Barbiturates
stronger than tranquilizers, causes relaxation, euphoria, sleep
Hypnotics
stronger than barbiturates with similar but more extreme effects. (quaalude, valium)
Example of depressants
rohypnd (date rape drug)
alcohol
anesthetics
reds
Medicinal use
painkiller produces sleep anti-convulsant relieve tension and stress muscle relaxer
Side effects of depressants
drowsiness lethargy addiction overdose combing depressants (ex.- alcohol and valium) are very dangerous because the effects are unpredictable