Bronchodilators and SABA in Asthma Treatment
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Questions and Answers

Which type of medication is characterized by its ability to prevent degranulation of mast cells?

  • Mast cell stabilizers (correct)
  • B2 agonists
  • Anti-inflammatory agents
  • Methyl xanthines
  • What is the primary mechanism of action of LABA in asthma treatment?

  • Stimulation of β2 receptors (correct)
  • Inhibition of leukotriene receptors
  • Inhibition of phosphodiesterase
  • Inhibition of lipoxygenase
  • Which of the following medications is NOT a bronchodilator?

  • Methyl xanthines
  • LABA
  • SABA
  • Anti-inflammatory agents (correct)
  • What is the effect of B2 agonists on the immune system?

    <p>No effect on antibody production</p> Signup and view all the answers

    Which type of medication is characterized by its ability to inhibit lipoxygenase?

    <p>Leukotriene modifiers</p> Signup and view all the answers

    What is the primary difference between SABA and LABA?

    <p>SABA has a shorter duration of action than LABA</p> Signup and view all the answers

    Which of the following medications is a mild bronchodilator?

    <p>Methyl xanthines</p> Signup and view all the answers

    What is the primary mechanism of action of anti-inflammatory agents in asthma treatment?

    <p>Reduction of inflammatory cell infiltration</p> Signup and view all the answers

    What is the primary mechanism of action of inhaled corticosteroids in asthma?

    <p>Reduction of gene expression through nuclear receptor binding</p> Signup and view all the answers

    Which of the following medications is a long-acting anticholinergic (LAAC) bronchodilator?

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

    What is the primary mechanism of action of leukotriene modifiers in asthma?

    <p>Blockage of leukotriene receptors</p> Signup and view all the answers

    Which of the following medications is a mast cell stabilizer?

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

    What is the primary mechanism of action of short-acting beta2 agonists (SABAs) in asthma?

    <p>Stimulation of B2 receptors</p> Signup and view all the answers

    Which of the following medications is a systemic corticosteroid used for oral administration?

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

    What is the primary mechanism of action of methylxanthines in asthma?

    <p>Inhibition of adenosine receptors</p> Signup and view all the answers

    Which of the following medications is a long-acting beta2 agonist (LABA) bronchodilator?

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

    What is the primary mechanism of action of anticholinergic bronchodilators in asthma?

    <p>Blockage of acetylcholine receptors</p> Signup and view all the answers

    Which of the following medications is a dual mechanism bronchodilator?

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

    Study Notes

    Bronchodilators

    • Bronchodilators are classified into two categories: Relievers (Acute asthma) and Controllers (Chronic asthma)
    • Relievers provide quick relief from asthma symptoms, while Controllers prevent asthma symptoms from occurring

    Short Acting Beta 2 Agonists (SABA)

    • SABA is a type of Reliever that provides quick relief from asthma symptoms
    • Examples of SABA include Salbutamol and Terbutaline
    • SABA works by binding to the B2 receptor, increasing cAMP levels, and relaxing smooth muscle cells in the airways

    Long Acting Beta 2 Agonists (LABA)

    • LABA is a type of Controller that prevents asthma symptoms from occurring
    • Examples of LABA include Salmeterol and Formoterol
    • LABA works by binding to the B2 receptor, increasing cAMP levels, and relaxing smooth muscle cells in the airways

    Anti-Inflammatory Agents

    • Anti-inflammatory agents are used to reduce inflammation in the airways
    • Examples of anti-inflammatory agents include Corticosteroids, Mast cell stabilizers, and Leukotriene modifiers

    Corticosteroids

    • Corticosteroids are a type of anti-inflammatory agent that reduces inflammation in the airways
    • Examples of Corticosteroids include Beclomethasone, Budesonide, and Fluticasone
    • Corticosteroids work by inhibiting the release of cytokines, histamine, and leukotrienes from mast cells

    Mast Cell Stabilizers

    • Mast cell stabilizers are a type of anti-inflammatory agent that prevents mast cell degranulation
    • Examples of Mast cell stabilizers include Cromolyn and Nedocromil
    • Mast cell stabilizers work by inhibiting the release of mediators from mast cells

    Leukotriene Modifiers

    • Leukotriene modifiers are a type of anti-inflammatory agent that reduces the production of leukotrienes
    • Examples of Leukotriene modifiers include Zafirlukast and Zileuton
    • Leukotriene modifiers work by inhibiting the production of leukotrienes, which causes airway inflammation

    Adverse Effects of Steroids

    • Adverse effects of steroids include throat problems, growth reduction in children, osteoporosis, and eye problems
    • Steroids can also cause hyperglycemia, Cushing's syndrome, and impaired wound healing

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    Related Documents

    Antiasthmatic Drugs PDF

    Description

    Learn about the classification and uses of bronchodilators, including Relievers and Controllers, and Short Acting Beta 2 Agonists (SABA) in asthma treatment.

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