Neurotransmitters and Neuromodulators: Acetylcholine
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Questions and Answers

Which neurotransmitter was the first to be identified?

  • Norepinephrine
  • Serotonin
  • Acetylcholine (correct)
  • Dopamine
  • What is the enzyme responsible for breaking down Acetylcholine?

  • Acetylcholine kinase
  • Acetylhydrolase
  • Acetylcholinesterase (correct)
  • Acetyltransferase
  • Which disease is characterized by fatigue and muscle weakness due to antibodies blocking ACh receptors?

  • Multiple sclerosis
  • Alzheimer's disease
  • Myasthenia gravis (correct)
  • Parkinson's disease
  • In Alzheimer’s patients, which neurotransmitter-releasing neurons die?

    <p>Acetylcholine-releasing neurons</p> Signup and view all the answers

    Which type of drugs are primarily used to treat Alzheimer's disease?

    <p>Acetylcholinesterase inhibitors</p> Signup and view all the answers

    What are the critical functions in the brain that ACh may be associated with?

    <p>Attention, memory, and sleep</p> Signup and view all the answers

    What neurotransmitters inhibit the firing of neurons?

    <p>GABA and glycine</p> Signup and view all the answers

    In Huntington’s disease, which type of neurons degenerate, leading to uncontrollable movements?

    <p>GABA-producing neurons</p> Signup and view all the answers

    Which neurotransmitters are classified as catecholamines?

    <p>Dopamine and norepinephrine</p> Signup and view all the answers

    Deficiencies in which neurotransmitter occur in patients with Alzheimer’s disease, Parkinson’s disease, and Korsakoff’s syndrome?

    <p>Norepinephrine</p> Signup and view all the answers

    What effect does overstimulation of NMDA receptors have on nerve cells?

    <p>Causes nerve cell damage or cell death</p> Signup and view all the answers

    Which neurotransmitter is associated with muscle tremors, rigidity, and difficulty in moving when deficits occur?

    <p>Dopamine</p> Signup and view all the answers

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