Neurotransmitter Regulation and Cholinergic Agents Quiz
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Questions and Answers

Which of the following is a side effect of anticholinergics?

  • Frequent urination
  • Watery eyes (correct)
  • Slow heart rate
  • Increased salivation
  • What is a contraindication for the use of anticholinergics?

  • Hyperthyroidism
  • Glaucoma (correct)
  • Asthma
  • Hypertension
  • In case of anticholinergic poisoning, what is the treatment of choice?

  • Naloxone
  • Physostigmine (correct)
  • Atropine
  • Activated charcoal
  • Which enzyme is responsible for synthesizing acetylcholine?

    <p>Choline acetyltransferase (ChAT)</p> Signup and view all the answers

    What is the role of Botulinum Toxin (Botox) in acetylcholine release?

    <p>Breaks down VAMPs and SNAPs, prohibiting the release of acetylcholine</p> Signup and view all the answers

    What is the final product of the conversion process starting from tyrosine in adrenergic terminals?

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

    Which receptor type can norepinephrine act on?

    <p>α and β receptors</p> Signup and view all the answers

    Which branch of the autonomic nervous system is responsible for the 'fight or flight' response?

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

    Which neurotransmitter acts at muscarinic receptors in the parasympathetic nervous system?

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

    In which tissues are α-1 receptors primarily located?

    <p>Vascular smooth muscle</p> Signup and view all the answers

    Which part of the autonomic nervous system has long preganglionic neurons?

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

    'Rest and digest' is a term associated with which branch of the autonomic nervous system?

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

    What enzyme is responsible for breaking down acetylcholine?

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

    Which receptor regulates the release of neurotransmitters by decreasing the amount of dopamine brought into the cell?

    <p>α-2 receptor</p> Signup and view all the answers

    Which of the following is an example of a cholinergic agonist that binds directly to receptors?

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

    What is the main effect of cholinergic antagonists like atropine?

    <p>Block receptors in the CNS</p> Signup and view all the answers

    Which drug is used to treat urinary retention?

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

    What are the side effects of muscarinic receptor activation?

    <p>Pupillary constriction and sweating</p> Signup and view all the answers

    'SLUD' stands for symptoms associated with which receptor activation?

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

    'Atropine WILL reverse muscarinic receptor antagonist' - this statement is:

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

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