Mastering H1 Receptor Antagonists
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Questions and Answers

Which type of cells primarily generate histamine?

  • Mast cells (correct)
  • Cardiac muscle cells
  • Inflammatory cells
  • Smooth muscle cells

What are the two groups of H1 receptor antagonists?

  • First and second generations (correct)
  • Histamine and muscarinic antagonists
  • Anticholinergics and antihistamines
  • Alpha and beta blockers

Which generation of H1 antihistamines has sedating effects?

  • Second generation
  • First generation (correct)
  • Both first and second generations
  • Neither first nor second generation

What are some common side effects of first generation H1 antihistamines?

<p>Blurred vision, dry mouth, urinary retention, constipation (C)</p> Signup and view all the answers

Which receptors do first generation H1 antihistamines bind to?

<p>Histamine and muscarinic receptors (A)</p> Signup and view all the answers

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