Drugs Flashcards
What is the definition of a drug
A substance which has a physiological effect when deliberately introduced into the body
What is a psychoactive drug
Changes the cognition,emotion and/or behaviour by changing the function of the CNS
What are some examples of psychoactive drugs
-Heroin
-Nicotine
-Cocaine
-Caffeine
-LSD
-Alcohol
What are Non-Psychoactive drugs
Don’t change the cognition,emotion,and/or behaviour by changing the function of the CNS
What are examples of Non-Psychoactive drugs
-Aspirin
-Penicillin
What are recreational drugs
Used by users who choose to take because they want to experience its effects
What are examples of Recreational drugs
-Alcohol
-LSD
-Cocaine
What are Therapeutic drugs
Taken to treat a symptom or problem or disease
What are examples of Therapeutic drugs
-Penicillin
-LSD
-Cocaine
What are illegal drugs
When possession of the drug is against the criminal law of a given country
What are some examples of illegal drugs
-LSD
-Heroine
-Cocaine
What are four reasons why people take recreational drugs
-Social
-Psychological
-Cultural
-Enhancements
What kind of system is the brain
A homeostatic system(homeostasis)
What can recreational drugs officially alter
Neurotransmitter levels
What sustained changes can neurotransmitters cause
-Production of neurotransmitter
-Number of receptors
-Sensitivity of receptors
What responses may the brain have to cocaine
-Removing dopamine receptors
-Reducing dopamine produced
What responses does the brain have to alcohol
-Produce less GABA
-Reduce levels of GABA receptors
What is the first step of addiction
Tolerance
What does tolerance mean
The user has to take a higher quantity of the drug to gain the same effect
What may withdrawal of cocaine lead to
The things that people would normally do to feel happy,wont make them happy anymore
What may withdrawal of alcohol lead to
Agitation,stress and anxiousness.As GABA calms us down and this is reduced
What kind of response may withdrawal symptoms lead to the addict doing
A person would go back to the recreational drug as they experience withdrawal
Why may addiction be a continuum
Addiction and abstinence doesn’t have a clear divide
What are the symptoms of addiction
-Tolerance and withdrawal
-Impaired control
-Social or work problems
-Risky usage
