17042286
Description
Quiz by Catriona Wilds, updated more than 1 year ago
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Created by Catriona Wilds
almost 6 years ago
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Question 1
Question
The primary excitatory neurotransmitter is ______, and ______ is the primary inhibitory neurotransmitter.
Answer
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GABA, Glutamate
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Glutamate, GABA
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Dopamine, Serotonin
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Adrenaline, Opiate
Question 2
Question
An agonist is a drug that...
Answer
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Is always less potent than an antagonist
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Elicits a similar physiological response to that of a neurotransmitter
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Will usually have depressant effects
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All of the above
Question 3
Question
The anti-depression drug Fluoxetine (also known as Prozac) increases level of serotonin. It does this by...
Answer
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increasing serotonin production
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inhibiting serotonin deterioration
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indirect stimulation of serotonic cells
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blocking the reuptake of synaptic serotonin
Question 4
Question
An increase in _____ for a drug would cause that drug to more rapidly reach the brain.
Answer
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Metabolism of the drug via the liver
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Lipid solubility
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Water solubility
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Kidney excretion
Question 5
Question
One mechanism for the tolerance produced by repeated drug administration is...
Answer
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A decreased metabolism of the drug
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An increased plasma level of the drug
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An increased number of receptors for the drug
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A reduced number of receptors for the drug
Question 6
Question
Caffeine acts to...
Answer
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Block adenosine receptors
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Stimulate adenosine receptors
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Block noradrenaline receptors
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Block acetylcholine receptors
Question 7
Question
The psychoactive constituent of the drug cannabis (THC) probably acts on the same receptors as...
Answer
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Adenosine
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Anandamide
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Adenylate cyclase
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Arachidonic cannabinol
Question 8
Question
Naloxone would be effective at reversing the effects of...
Answer
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Dextro-amphetamine
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LSD
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Morphine
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Both LSD and Morphine
Question 9
Question
Repeated administration of barbiturates/opiates may cause no increase in level of sedation/pain relief but an increasing effect on respiratory depression. Why might this be?
Answer
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The drug begins to act as a placebo
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The drug has an increased margin of safety over time
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The drug has more than one site of action
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The drug binds with an ionotropic receptor
Question 10
Question
Drugs that are postsynaptic receptor antagonists...
Answer
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Increase neural inhibition only
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Reduce neural inhibition only
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Increase or reduce neural inhibition depending on the typical action of the neurotransmitter
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Increase neural inhibition only when bound to a metabotropic receptor
Question 11
Question
A drug which prevents the storage of a neurotransmitter within synaptic vesicles would be...
Answer
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An agonist
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An antagonist
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Either an agonist or an antagonist
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An agonist only when calcium channels are open
Question 12
Question
If a drug blocks pre-synaptic transporter reuptake molecules, then it is...
Answer
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An agonist
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An antagonist
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Either an agonist or an antagonist
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An agonist only when sodium channels are open
Question 13
Question
Repeated stimulation of the mesolimbic system can lead to drug abuse. This is because...
Answer
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This system projects to the prefrontal cortex
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This system is important for reinforcement
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This is an important part of the basal ganglia
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This system is important in the control of the mood
Question 14
Question
GABA receptors are complex, but it is known that alcohol will act as...
Answer
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An agonist to these receptors
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An antagonist to these receptors
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Either an agonist or an antagonist to these receptors
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An agonist but only if steroid molecules are also bound to the receptor
Question 15
Question
Why might terahydrocannabinol (THC), the active ingredient in marijuana) be used by people taking certain drugs for cancer?
Answer
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It reduces anxiety produced by cancer drugs
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It acts as an antagonist for the neurotransmitter anandamide
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It reduces nausea produced by cancer drugs
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All of the above
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