Acetylcholine
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Questions and Answers

Which enzyme is responsible for synthesizing acetylcholine in the cytoplasm?

  • Vesicle-associated choline transporter
  • Acetyl-CoA
  • Acetylcholinesterase
  • Choline acetyltransferase (correct)

    • What is the function of acetylcholinesterase?

  • To release acetylcholine by exocytosis
  • To slow the SA/AV nodal cells
  • To split acetylcholine into choline and acetate (correct)
  • To transport acetylcholine into the vesicle

    • What happens when acetylcholine is released by exocytosis?

  • It opens potassium channels
  • It requires VAMPs and SNAPs interaction (correct)
  • It blocks the sodium channel
  • It causes Gi/o stimulation

    • What is the role of choline acetyltransferase (ChAT) in the release of acetylcholine?

    <p>It synthesizes acetylcholine from choline and acetyl-CoA</p> Signup and view all the answers

    Which transporter is responsible for packaging acetylcholine into vesicles for release?

    <p>Vesicle-associated choline transporter (VAchT)</p> Signup and view all the answers

    What is the function of acetylcholinesterase (AchE) in the synaptic cleft?

    <p>It breaks down acetylcholine in the synaptic cleft</p> Signup and view all the answers

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