Alpha-Adrenergic Stimulation and Nasal Decongestants Quiz
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Questions and Answers

Which adverse effect is NOT commonly associated with diphenhydramine?

  • Photosensitivity
  • Dry mouth
  • Urinary retention
  • Nausea (correct)
  • What is a paradoxical response some people may experience with diphenhydramine?

  • Restlessness (correct)
  • Photosensitivity
  • Urinary retention
  • Drowsiness
  • Why is diphenhydramine contraindicated in narrow-angle glaucoma patients?

  • Improves night vision
  • Causes pupil constriction
  • Causes pupil dilation (correct)
  • Reduces eye pressure
  • Which interaction with diphenhydramine can lead to an increased risk of hypertensive crisis?

    <p>Concurrent use with MAOIs</p> Signup and view all the answers

    What distinguishes non-sedating antihistamines from traditional antihistamines like diphenhydramine?

    <p>They do not cause sedation</p> Signup and view all the answers

    What is a common side effect of non-sedating antihistamines?

    <p>Blurred vision</p> Signup and view all the answers

    What is a key anticholinergic property of diphenhydramine?

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

    What should be avoided when taking diphenhydramine due to additive effects such as increased drowsiness?

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

    What effect does pupil dilation due to diphenhydramine cause in patients?

    <p>Worsened photosensitivity</p> Signup and view all the answers

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