Neurotransmitters Week 123

19 Questions | Total Attempts: 1128

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Neurotransmitters Week 123

Chemical reactions occur in ways that are at times hard to understand. Basically, neurotransmitters are the endogenous chemicals that allow the neurotransmission during reactions. Take up the quiz and test your knowledge. All the best.


Questions and Answers
  • 1. 
    What is the general term given to the type of neurotransmitter receptor that conducts ions through a pore?
  • 2. 
    What is the general term given to the type of neurotransmitter receptor that does not directly conduct ions through a pore. This type of receptor is coupled to intracellular signalling mechanisms, usually through G-proteins.
  • 3. 
    True or False. Neurones only make one neurotransmitter.
  • 4. 
    The main excitatory neurotransmitter of the central nervous system
    • A. 

      Acetylcholine

    • B. 

      Gamma-aminobutyric acid

    • C. 

      Glycine

    • D. 

      Glutamate

    • E. 

      Serotonin

  • 5. 
    The neurotransmitter whose abundance is increased by fluoxetine
    • A. 

      Anandamide

    • B. 

      Dopamine

    • C. 

      Glutamate

    • D. 

      Glycine

    • E. 

      Serotonin

  • 6. 
    Neurotransmitter transporters...... (Select all that apply)
    • A. 

      Clear "excess" neurotransmitter from the synaptic cleft

    • B. 

      Are also used to pack neurotransmitter into synaptic vesicles

    • C. 

      Exist for every known neurotransmitter

    • D. 

      Are a site of action for many clinically important drugs

    • E. 

      Are operated by Arriva Trains

  • 7. 
    Which of the following statements can be applied to "excitatory" neurotransmitters? (Select all that apply)
    • A. 

      Bind only to ionotropic receptors

    • B. 

      Receptors conduct Cl-

    • C. 

      Increase the likelihood that an action potential will be fired

    • D. 

      Are found only in the central nervous system

    • E. 

      Are blocked by benzodiazepines

  • 8. 
    Within the CNS, is made principally by the raphe nuclei.
    • A. 

      Acetylcholine

    • B. 

      Dopamine

    • C. 

      Glutamate

    • D. 

      Serotonin

    • E. 

      Substance P

  • 9. 
    Major anatomical site(s) which give(s) rise to dopaminergic projections
    • A. 

      Cerebellum

    • B. 

      Locus coeruleus

    • C. 

      Paravertebral ganglia

    • D. 

      Substantia Nigra

    • E. 

      Ventral Tegmental Area

  • 10. 
    Receptors whose function is potentiated by benzodiazepines such as lorazepam
    • A. 

      Ionotropic glutamate receptors

    • B. 

      Dopamine D2 receptors

    • C. 

      GABA-A receptors

    • D. 

      Glycine receptors

    • E. 

      Serotonin 5HT3 receptors

  • 11. 
    Which receptors are blocked by ondansetron
    • A. 

      Glycine receptors

    • B. 

      GABA-A receptors

    • C. 

      Metabotropic glutamate receptors

    • D. 

      Muscarinic acetylcholine receptors

    • E. 

      Serotonin 5HT3 receptors

  • 12. 
    Neurotransmitter whose receptors are blocked by the antipsychotic haloperidol
    • A. 

      Acetylcholine

    • B. 

      Dopamine

    • C. 

      Glutamate

    • D. 

      Noradrenaline

    • E. 

      Serotonin

  • 13. 
    Neurotransmitter whose receptors are stimulated by the Parkinsons disease treatment Ropinirole
    • A. 

      Acetylcholine

    • B. 

      Dopamine

    • C. 

      Glutamate

    • D. 

      Noradrenaline

    • E. 

      Serotonin

  • 14. 
    Inhibitory neurotransmitter of the spinal cord that appears to have only ionotropic (no metabotropic) receptors
    • A. 

      Adenosine

    • B. 

      Dopamine

    • C. 

      Glycine

    • D. 

      Glutamate

    • E. 

      Noradrenaline

  • 15. 
    Neuropeptide whose actions are mimicked by morphine
    • A. 

      Endorphin

    • B. 

      Ghrelin

    • C. 

      Leptin

    • D. 

      Somatostatin

    • E. 

      Substance P

  • 16. 
    Which of the following elements in the life of a neurotransmitter are targeted pharmacologically to treat neurological and psychiatric diseases?
    • A. 

      Degrading enzymes

    • B. 

      Presynaptic receptors

    • C. 

      Postsynaptic receptors

    • D. 

      Synthesising enzymes

    • E. 

      Transporters

  • 17. 
    Is/are broken down by Monoamine Oxidase A
    • A. 

      Acetylcholine

    • B. 

      Dopamine

    • C. 

      Glycine

    • D. 

      Noradrenaline

    • E. 

      Serotonin

  • 18. 
    Neurotransmitter whose actions at ionotropic receptors will result in an EPSP
    • A. 

      Anandamide

    • B. 

      Dopamine

    • C. 

      Gamma-aminobutyric acid

    • D. 

      Glycine

    • E. 

      Glutamate

  • 19. 
    The main excitatory neurotransmitter of the central nervous system
    • A. 

      Acetylcholine

    • B. 

      Gamma-aminobutyric acid

    • C. 

      Glycine

    • D. 

      Glutamate

    • E. 

      Serotonin