Unit 2 patho QUIZ
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Questions and Answers

What is the primary mechanism of action of H1-receptor antagonists in the treatment of allergic rhinitis?

  • Release of inflammatory mediators from mast cells and basophils
  • Vasoconstriction of nasal blood vessels
  • Stimulation of the parasympathetic nervous system
  • Blockage of the actions of histamine at H1 receptors (correct)

    • What is the major advantage of second-generation H1-receptor antagonists over first-generation antagonists?

  • Increased risk of sedation
  • Fewer options for OTC remedies
  • Less tendency for sedation (correct)
  • More potent anticholinergic effects

    • What is the primary action of mucolytics in the treatment of respiratory disorders?

  • Stimulating the cough reflex
  • Breaking down the chemical structure of mucus molecules (correct)
  • Increasing the secretion of inflammatory mediators
  • Relaxing bronchial smooth muscle

    • What is the contraindication for the use of cough suppressants in patients with chronic bronchitis?

    <p>Asthma or emphysema</p> Signup and view all the answers

    What is the primary action of inhaled corticosteroids in the treatment of perennial allergic rhinitis?

    <p>Reducing the secretion of inflammatory mediators</p> Signup and view all the answers

    What is the primary difference between short-acting beta agonists (SABAs) and long-acting beta agonists (LABAs) in the treatment of asthma?

    <p>Duration of action</p> Signup and view all the answers

    What is the main adverse effect of dextromethorphan, a non-opioid cough suppressant?

    <p>All of the above</p> Signup and view all the answers

    What is the primary mechanism of action of expectorants in the treatment of respiratory disorders?

    <p>Reducing the thickness of bronchial secretions</p> Signup and view all the answers

    What is the main indication for the use of intranasal corticosteroids in the treatment of allergic rhinitis?

    <p>Treatment of perennial allergic rhinitis</p> Signup and view all the answers

    What is the primary mechanism of action of beta-adrenergic agonists in the treatment of asthma?

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

    What is the primary effect of histamine in allergic rhinitis?

    <p>Increased mucus secretion</p> Signup and view all the answers

    Which of the following antihistamines is known for its significant anticholinergic effects?

    <p>First-generation antihistamines</p> Signup and view all the answers

    What is the primary advantage of inhaled corticosteroids in the treatment of perennial allergic rhinitis?

    <p>Minimal risk of systemic effects</p> Signup and view all the answers

    What is the primary action of mucolytics in the treatment of cystic fibrosis?

    <p>Thin mucus to facilitate removal</p> Signup and view all the answers

    Which of the following cough suppressants is known for its potential for abuse?

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

    What is the primary mechanism of action of expectorants in the treatment of respiratory disorders?

    <p>Increasing bronchial secretion</p> Signup and view all the answers

    What is the primary indication for the use of beta-adrenergic agonists in the treatment of asthma?

    <p>Acute bronchoconstriction</p> Signup and view all the answers

    What is the primary contraindication for the use of mucolytics in the treatment of respiratory disorders?

    <p>Known infections</p> Signup and view all the answers

    What is the primary advantage of second-generation antihistamines over first-generation antihistamines?

    <p>Less tendency for sedation</p> Signup and view all the answers

    What is the primary mechanism of action of intranasal corticosteroids in the treatment of perennial allergic rhinitis?

    <p>Reducing tissue edema</p> Signup and view all the answers

    What is the primary effect of histamine in terms of nasal congestion?

    <p>Increased mucus secretion</p> Signup and view all the answers

    Which type of antihistamine is known for its significant anticholinergic effects?

    <p>First-generation</p> Signup and view all the answers

    What is the primary mechanism of action of beta-adrenergic agonists in terms of bronchial smooth muscle?

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

    What is the primary indication for the use of mucolytics in cystic fibrosis?

    <p>Loosening thick, viscous bronchial secretions</p> Signup and view all the answers

    Which of the following is a common adverse effect of non-opioid cough suppressants?

    <p>All of the above</p> Signup and view all the answers

    What is the primary advantage of inhaled corticosteroids in terms of systemic effects?

    <p>Virtually no serious adverse effects</p> Signup and view all the answers

    Which type of cough suppressant is most effective for coughs due to allergies or the common cold?

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

    What is the primary mechanism of action of H1-receptor antagonists in terms of histamine?

    <p>Blocking the actions of histamine at the H1 receptor</p> Signup and view all the answers

    What is the primary advantage of second-generation antihistamines over first-generation antihistamines?

    <p>Less sedation</p> Signup and view all the answers

    What is the primary contraindication for the use of intranasal corticosteroids?

    <p>Known infections</p> Signup and view all the answers

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