Brain Bee Chapter 4 - Jacey Flashcards
true or false: recreational drug use has a very different purpose, and the problem with it is that it can lead to abuse
true
can the drug user become too easily dependant or addicted?
both
A state of dependance will experience very unpleasant physical and psychological
__________ __________ when they interrupt their drug habit.
withdrawal symptoms
What happens if the user suddenly withdrew from their habits?
Withdrawal will lead them to crave the drug
does everyone who takes recreational drugs become dependant on it?
no
True or False? Do drugs differ in their dependence of liability from high risk to low risk?
yes
name three high risk drugs
cocaine, heroin and nicotine
name four low risk drugs
alcohol, cannabis, amphethetamines and ecstasy
During the development of drug dependence the body and brain slowly adapt to the repeated presence of the drug, but exactly what changes go on in the brain remains a ______.
mystery
heroin, amphetamines, nicotine, cocaine and cannabis are all different, these drugs share an ability to promote the release of the chemical messenger ________ in certain brain regions.
dopamines
What could an important final common pathway of “pleasure” in the brain be?
drug induced releases of dopamine
What does alcohol do?
acts on neurotransmitter systems in brain to dampen excitatory messages and promote inhibition
Which ingredient is active in all tobacco products?
nicotine
what does nicotine do to your body?
acts on brain receptors that recognizes acetylcholine
true or false? nicotine is not at all addictive
FALSE, IT IS VERY ADDICTIVE.
what does cannabis do?
acts on important natural system that controls muscles and regulates pain sensitivity.
can cannabis be useful if used well?
yes! medically and if used wisely.
what drug can cause someone’s perception of sounds, colours and time ?
cannabis
Cannabis is an __________.
intoxicant
heavy use of cannabis could result in which disease?
schizophrenia
define amphetamines
man-made chemicals that include dexedrine, speed (meth) and ecstasy.
what do amphetamines do?
causes the release of two naturally occurring neurotransmitters: dopamine and serotonin
serotonin can cause:
hallucinations
dopamine causes:
strong arousal and pleasurable affects
Dexedrine and Speed mainly release _______, Ecstasy more _______.
dopamine + serotonin
d-LSD acts on _______
serotonin
amphetamines are powerful _______
psycho-stimulants
can psycho-stimulants are dangerous and be overdosed?
yes!!
what damage can ecstasy cause to the brain?
prolonged, perhaps permanent reduction of
serotonin cells.
how is heroin similar to amphetamines?
they are both man-made
like ___________, heroin hijacks a system in
the brain that employs naturally occurring neurotransmitters
known as endorphins.
cannabis
what are endorphins important for?
pain control
name two ways heroin can be used:
smoked and injected
how does heroin kill people?
suppressing breathing systems
is heroin dangerous?
extremely
____ is a plant derived chemical
cocaine
like _____________, cocaine makes more dopamine and serotonin available
amphetamines
like heroin, _______ is a very dangerous drug. People become intoxicated with it, especially the smoked form called “crack”,
cocaine
