PSY108 MCQ's

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1. Cocaine is:

  • Dopamine agonist, Norepinephrine agonist and blocker of catecholamine reuptake
  • Blocker of catecholamine reuptake
  • Dopamine agonist
  • A norepinephrine agonist
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2. Most sensory nuclei of the thalamus project to the:

  • Substantia nigra
  • Reticular formation
  • Cortex
  • Cerebellum

3. Once released, neurotransmitter molecules typically produce signals in postsynaptic neurons by:

  • Entering postsynaptic neurons
  • Binding to postsynaptic receptors
  • Attaching to vesticles
  • Binding directly to bilipid layer

4. Conduction of action potentials in myelinated axons:

  • Is possible in only one direction
  • Is faster than in unmyelinated axons
  • Is slower than in unmyelinated axons
  • Requires more energy than in unmyelinated axons

5. Which inhibitory neurotransmitter is considered to be the most prevalent in the mammalian CNS?

  • Glutamate
  • Serotonin
  • GABA
  • Glycine

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