Pharmacology of 5-HT Receptors and Blockers
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Questions and Answers

What type of receptor blockers is ondansetron selective for?

  • H1
  • 5-HT3 (correct)
  • a-blockade
  • 5-HT2

    • Which of the following agents is NOT a poorly selective blocker?

  • Ondansetron (correct)
  • Phenoxybenzamine
  • Ketanserin
  • Cyproheptadine

    • What additional action does cyproheptadine have besides 5-HT2 blockade?

  • beta-blockade
  • Antiemetic action
  • a-blockade
  • H1 blockade (correct)

    • What is ondansetron extremely useful for?

    <p>Controlling postoperative vomiting</p> Signup and view all the answers

    Which two agents may be of value in treating carcinoid tumors?

    <p>Cyproheptadine and phenoxybenzamine</p> Signup and view all the answers

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