Unit 3 Flashcards
(136 cards)
What are Psychoactive drugs?
Chemicals that change the brain’s chemistry and create an altered state of consciousness.
What are psychoactive drugs made up of?
They are made up of super small molecules that penetrate the blood-brain barrier (barrier that protects brain from harmful chemicals).
What do the small drug molecules in psychoactive drugs do?
They either block neurotransmitters at receptor sites (antagonist) or mimic neurotransmitters (agonist)
What causes a brain imbalance?
The drugs disrupt the brain’s production of neurotransmitters which cause the brain to produce less of a certain neurotransmitter = imbalance.
Why is drug tolerance?
When people use drugs, they start to develop a tolerance where more drugs are needed to create the same effect as the earlier use.
What is drug withdrawal?
Withdrawal symptoms happen when the drug’s effect wears off. Symptoms may be mild like headaches or serious like heart attacks. People crave drugs during the withdrawal stage.
What do stimulants do?
Stimulants speed up the processes by impacting the central nervous system which increases alertness and energy (“high”)
What is the most powerful stimulant?
cocaine
What happens when to take cocaine?
You will feel an incredible rush (high) for 15-20 minutes before crashing down, craving for more.
What does meth do?
Meth makes an experience a feeling of high and a feeling of invincibility.
What does chronic meth abuse cause?
Meth psychosis (loss of touch with reality, “tweaking”)
What are the effects of meth psychosis?
Resemble the effects of Alzheimer’s - memory loss, dementia (extreme confusion),
Can be uncontrollably violent with rapid mood swings, meth mouth
What is meth mouth?
A symptom of long-term meth use where a person’s teeth begins to rot and fall out
What are common problems associated with long term use of powerful stimulants?
Anxiety and heart problems.
What do depressants do?
Slows down your body
Difference between depressant and stimulants
Stimulants speed up body, depressants slow you down
What do depressants result in?
Temporary high but with tolerance and withdrawals
What are common depressants?
barbiturates , heroin, morphine, opium, alcohol
What does alcohol do to you?
Alcohol slows down reaction time and impairs judgment.
What does long term alcohol use do?
Liver failure and brain damage.
What are women who are binge drinkers likely to develop?
Heart problems and breast cancer
Are opiates antagonist or agonist?
Agonist (mimic endorphin neurotransmitters)
What are opiates often referred to and what does it do?
Often called narcotics, its elevates a person’s mood and relieve pain. They are incredibly addictive and quickly create a tolerance
What do hallucinogens do?
Sometimes referred to as psychedelics, they change a person’s perception/reality (create hallucinations)