Nervous system 0.0 / 5 ? PsychologyBiologyUniversityAll boards Created by: ShannonCreated on: 25-02-15 20:55 What will happen when a neuron at rest is stimulated? The membrane potential will be reduced 1 of 13 When an action potential reaches the terminal of the axon, what fuses with the axonal membrane to release neurotransmitter? Synaptic vessicles 2 of 13 How do neurotransmitter molecules travel across the synaptic cleft? Diffusion 3 of 13 An agonist Elicits a similar physiological response to a neurotransmitter. 4 of 13 How does the drug Fluoextine increase levels of Serotonin? By blocking the re-uptake of synaptic serotonin 5 of 13 An increase in what will make the drug reach the brain faster? Lipid solubility 6 of 13 Name a mechanism of drug tolerance Reduction in receptors for the drug. 7 of 13 What does Caffeine block? Adenosine receptors 8 of 13 The psychoactive constituent for cannabis probably acts on the same receptors as Anandamide 9 of 13 What would be effective at reducing the effects of Morphine? Naxolone 10 of 13 Why do barbituates produce effects on respiratory depression, but not on sedation? They have more than one site of action 11 of 13 Postsynaptic receptor antagonists Increase or reduce neural inhibition depending on typical activity of the neurotransmitter. 12 of 13 Why does repeated stimulation of the mesolimbic system lead to substance abuse? Because it is involved in the reinforcement system 13 of 13
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