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Complete the following statements to assess your understanding of how drugs increase the effect of a neurotransmitter at a synapse. Not all choices...

Complete the following statements to assess your understanding of how drugs increase the effect of a neurotransmitter at a synapse. Not all choices will be used.

Most illicit drugs affect the nervous system by affecting the action of a particular neurotransmitter at  ____________  in the brain. Drugs that increase the likelihood of neuron excitation are called  ____________ , and those that decrease that likelihood are called  ____________ .

Specific ways that a drug could increase the effect of a neurotransmitter (NT) at a synapse include: 1) causing the NT to leak out of a synaptic  ____________  into the synaptic cleft; 2) preventing  ____________  of the NT by the presynaptic membrane; and, 3) blocking an  ____________  that normally breaks down the NT.

A specific example of a drug that affects a neurotransmitter in this way is cocaine, which potentiates the effects of the neurotransmitter  ____________  by interfering with its reuptake from synaptic clefts. Researchers have found that this neurotransmitter is largely responsible for mood.

However, with continued use,  ____________  amounts of the drug may be needed to create the same physiological outcome.

Word Bank:

acetylcholine

delays

depressants

dopamine

equal

excitement

larger

release

stimulants

synapses

vesicle

reuptake

enzyme

Top Answer

2 comments
  • You're more right. Except on number 2 'release' is wrong but thank you for your help!
    • rogalskic16
    • May 05, 2018 at 9:15am
  • You are welcome
    • DrIrene
    • May 05, 2018 at 9:59am

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Other Answers

Most illicit drugs affect the nervous system by affecting the action of a particular neurotransmitter at  synapses    in... View the full answer

1 comment
  • dopamine was the right answer
    • rogalskic16
    • May 05, 2018 at 9:15am

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