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_____ is the inactivation of a neurotransmitter by transporter…
_____ is the inactivation of a neurotransmitter by transporter proteins that bring the transmitter back into the presynaptic axon terminal for reuse.
Group of answer choices
Diffusion
Enzymatic degradation
Reuptake
Neurochemical recycling
Flag question: Question 17Question 172 pts
In order for neurotransmitters to be released, _____ must enter the synaptic terminal.
Group of answer choices
Na+
K+
Ca2+
Cl-
Flag question: Question 18Question 182 pts
Drugs that are used to produce psychological effects are called:
Group of answer choices
psychodepressant drugs.
psychoactive drugs.
mood drugs.
prophylactic drugs.
Flag question: Question 19Question 192 pts
Which of the following is the safest and easiest method of drug administration?
Group of answer choices
injection into the brain
oral consumption
administration as a suppository
injection into the bloodstream
Flag question: Question 20Question 202 pts
Amphetamine abusers demonstrate progressively more psychotic symptoms with repeated use (ever see the show Breaking Bad?). This effect of amphetamines demonstrates:
Group of answer choices
cross-tolerance
withdrawal
tolerance
sensitization
Flag question: Question 21Question 212 pts
When acetylcholine and curare are both present at a synapse, curare is what tends to bind to the receptor. We would state that curare:
Group of answer choices
displayed a lower level of tolerance.
has greater efficacy of action.
has a higher affinity for the receptor.
is an agonist.
Flag question: Question 22Question 222 pts
Ketamine may generate brain activity and alleviate depression by _______ receptors.
Group of answer choices
activating serotonin
blocking dopamine
blocking glutamate
activating dopamine
Flag question: Question 23Question 232 pts
Botulin toxin (botulism) causes paralysis and slowed breathing by preventing neurotransmitter release, and is therefore a(n):
Group of answer choices
dopamine agonist.
acetylcholine antagonist.
dopamine antagonist.
acetylcholine agonist.
Flag question: Question 24Question 242 pts
_________ opiates are the most potent and responsible for the large increases in opioid overdose deaths.
Group of answer choices
Altered
Synthetic
Isolated
Endogenous
Flag question: Question 25Question 252 pts
Very small doses (microdoses) of LSD appear to exert its effects through its interactions with receptors for the neurotransmitter:
Group of answer choices
GABA
serotonin
dopamine
glutamate
Flag question: Question 26Question 262 pts
Cocaine ________ and is thus considered to be an __________.
Group of answer choices
inhibits dopamine release; antagonist
blocks dopamine reuptake; agonist
stimulates dopamine release; agonist
blocks dopamine reuptake; antagonist
Flag question: Question 27Question 272 pts
Heavy smokers have fewer nicotine receptors in their brains. This finding is an example of:
Group of answer choices
cross-sensitization
sensitization
neurotransmitter re-uptake
cellular tolerance
Flag question: Question 28Question 282 pts
Why do valium and alcohol enhance each others actions?
Group of answer choices
Valium causes the release of neurotransmitters that work synergistically with alcohol.
Alcohol causes the release of neurotransmitters that work synergistically with valium.
Valium increases the number of receptors that alcohol inhibits.
They both act in a similar way on the same receptor type.
Flag question: Question 29Question 292 pts
Which of the following drugs may be used to treat depression?
Group of answer choices
serotonin selective reuptake inhibitors
All of the answers are correct.
glutamate antagonists
serotonin receptor agonists
Flag question: Question 30Question 302 pts
The development of _____ can explain why a person experienced with alcohol may not become intoxicated despite having consumed a number of alcoholic beverages.
Group of answer choices
synaptic fatigue
metabolic tolerance
adaptation
sensitization
