Pytanie |
Odpowiedź |
rozpocznij naukę
|
|
a chemical dependence on a psychoactive drugg
|
|
|
rozpocznij naukę
|
|
influence young people to experiment and drug-taking behaviour can be associated with a need to belong to a group
|
|
|
rozpocznij naukę
|
|
affects whether drug use is acceptable. in some cultures, cigarette smoking is freely accepted and in others alcohol is used to celebrate at social events
|
|
|
rozpocznij naukę
|
|
drug addiction is often linked to factors such as poverty or poor family circumstances, which can increase the chances of an individual starting to use drugs.
|
|
|
benzodiazepines mode of action 1 rozpocznij naukę
|
|
bind to the same pos-synaptic receptors as GABA
|
|
|
benzodiazepines mode of action 2 rozpocznij naukę
|
|
cause hyperpolarisation of post-synaptic membranes so that they are more difficult to stimulate
|
|
|
benzodiazepines effects 1 rozpocznij naukę
|
|
reduce anxiety, cause relaxation and can induce sleep
|
|
|
benzodiazepines effects 2 rozpocznij naukę
|
|
used therapeutically to treat anxiety, insomnia and seizures
|
|
|
tetrahydrocannabinol THC mode of action 1 rozpocznij naukę
|
|
affects receptors in cells in the cerebellum and cerebral hemispheres that use the neurotransmiter anadamide
|
|
|
tetrahydrocannabinol THC mode of action 2 rozpocznij naukę
|
|
similar in structure to anandamide and binds to the same receptors
|
|
|
tetrahydrocannabinol THC mode of action 3 rozpocznij naukę
|
|
causes hyperpolarisation of pos-synaptic membranes
|
|
|
tetrahydrocannabinol thc effects 1 rozpocznij naukę
|
|
induce feelings of relaxation and affects coordination
|
|
|
tetrahydrocannabinol thc effects 2 rozpocznij naukę
|
|
causes panic and paranoia in some users
|
|
|
tetrahydrocannabinol thc effects 3 rozpocznij naukę
|
|
can interfere with short-term memory and learning
|
|
|
rozpocznij naukę
|
|
increases the binding of GABA to receptors in post-synaptic membranes
|
|
|
rozpocznij naukę
|
|
causes hyperpolarisation of post-synaptic membranes
|
|
|
rozpocznij naukę
|
|
decreases the action of the neurotransmitter glutamate
|
|
|
rozpocznij naukę
|
|
in small quantities, affects behaviour by reducing inhibitions
|
|
|
rozpocznij naukę
|
|
in larger quantities, can cause a lack of coordination, slurred speech, loss of balance
|
|
|
thc - tetrahydrocannabinol rozpocznij naukę
|
|
the most important psychoactive substance in cannabis
|
|
|
rozpocznij naukę
|
|
a chemical dependence on a psychoactive drug
|
|
|
rozpocznij naukę
|
|
users of addictive drugs find it hard to give them up because of the feelings of well-being that are induced by dopamine.
|
|
|
rozpocznij naukę
|
|
As dopamine receptors are repeatedly stimulated, they become desensitised so that more and more of the drug is required to produce the same feelings
|
|
|
rozpocznij naukę
|
|
increase transmission at inhibitory synapses or suppress transmission at excitatory synapses
|
|
|
rozpocznij naukę
|
|
promte the transmission of impulses at excitatory synpases or inhibit transmission at inhibitory synapses.
|
|
|
rozpocznij naukę
|
|
stimulates transmission at brain synapses that use dopamine
|
|
|
rozpocznij naukę
|
|
leads to a build up of dopamine in the synapse
|
|
|
rozpocznij naukę
|
|
causes continuous transmission of impulses in ' reward' pathways
|
|
|