Cholinergic Blocking Drugs Nursing Responsibilities
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Questions and Answers

Which type of drugs act directly on the organ or tissue innervated by the SNS?

  • Non-catecholamines
  • Dopamine
  • Adrenergic Blocking Drugs
  • Catecholamines (correct)
  • What is a common effect of drugs that stimulate alpha receptors?

  • Local constriction of blood vessels (correct)
  • Increased heart rate
  • Smooth muscle relaxation
  • Intestinal relaxation
  • Which type of adrenergic blockers prevent stimulation of the sympathetic nervous system by inhibiting the action of catecholamines at beta-adrenergic receptor sites?

  • Prazosin
  • Phenoxybenzamine
  • Alpha-Adrenergic Blockers (correct)
  • Ergoloid Mesylates
  • What is a common effect of non-catecholamines that stimulate alpha activity?

    <p>Local constriction of blood vessels</p> Signup and view all the answers

    What is a primary characteristic of catecholamines?

    <p>They stimulate the nervous system and increase heart rate.</p> Signup and view all the answers

    Which type of drugs stimulate Beta 2 activity and are used to treat acute and chronic bronchial asthma?

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

    How do Alpha-Adrenergic Blockers affect blood vessels?

    <p>Increase vasoconstriction</p> Signup and view all the answers

    Which condition can cholinergic agonists be used to treat?

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

    What is the primary reason why cholinergic agonists are rarely administered by IM or IV?

    <p>They have rapid destruction in the body</p> Signup and view all the answers

    What is the primary role of anticholinesterase drugs in pharmacodynamics?

    <p>To block the action of acetylcholinesterase</p> Signup and view all the answers

    Which condition is NOT a pharmacotherapeutic use of anticholinesterase drugs?

    <p>Relaxing GI smooth muscles</p> Signup and view all the answers

    Which organ system is primarily affected by cholinergic blocking drugs?

    <p>Gastrointestinal and Urinary Tracts</p> Signup and view all the answers

    Why are atropine and belladonna alkaloids used before surgery?

    <p>To prevent a drop in heart rate caused by vagal nerve stimulation</p> Signup and view all the answers

    What is a common side effect associated with cholinergic blocking drugs?

    <p>Urinary retention</p> Signup and view all the answers

    Which statement about the pharmacokinetics of belladonna alkaloids is true?

    <p>They have high binding with serum proteins</p> Signup and view all the answers

    What is the main reason for using scopolamine in combination with pain medications?

    <p>To induce drowsiness and amnesia</p> Signup and view all the answers

    Which class of drugs are primarily used to treat spastic or hyperactive conditions of the GI and urinary tracts?

    <p>Cholinergic Blocking Drugs</p> Signup and view all the answers

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