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Questions and Answers
What is the mechanism of action of xanthine derivatives?
What is the mechanism of action of xanthine derivatives?
- Increasing mucus production in the airways
- Inhibiting the production of surfactant in the lungs
- Relaxing smooth muscles of the airways (correct)
- Causing constriction of the airway smooth muscles
Which substance is NOT a xanthine derivative?
Which substance is NOT a xanthine derivative?
- Epinephrine (correct)
- Theophylline
- Caffeine
- Aminophylline
Which condition is NOT a therapeutic use of xanthine derivatives?
Which condition is NOT a therapeutic use of xanthine derivatives?
- Chronic bronchitis
- Mild to moderate cases of asthma
- Management of COPD
- Severe cases of asthma (correct)
Which of the following is a potential side effect of xanthine derivatives?
Which of the following is a potential side effect of xanthine derivatives?
What is the main mechanism of action of xanthine derivatives?
What is the main mechanism of action of xanthine derivatives?
What is the therapeutic use of beta-agonists in addition to relief of bronchospasm?
What is the therapeutic use of beta-agonists in addition to relief of bronchospasm?
Which respiratory condition is NOT a therapeutic use of bronchodilators?
Which respiratory condition is NOT a therapeutic use of bronchodilators?
What is the diuretic effect associated with xanthine derivatives caused by?
What is the diuretic effect associated with xanthine derivatives caused by?
Which medication is used to prevent bronchoconstriction by binding to ACh receptors?
Which medication is used to prevent bronchoconstriction by binding to ACh receptors?
What is the mechanism of action of antileukotrienes (LRTAs)?
What is the mechanism of action of antileukotrienes (LRTAs)?
What is a potential side effect of inhaled corticosteroids?
What is a potential side effect of inhaled corticosteroids?
What is the main function of Beta2 agonists?
What is the main function of Beta2 agonists?
Which medication is associated with the side effect of trembling, particularly in the hands?
Which medication is associated with the side effect of trembling, particularly in the hands?
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Study Notes
Xanthine Derivatives
- Mechanism of action: Increase cAMP levels, leading to bronchodilation and diuresis
- Not a xanthine derivative: Beta-agonists
- Not a therapeutic use: Treating hypertension
- Potential side effect: Diuretic effect, nausea, vomiting, and tremors
Beta-Agonists
- Therapeutic use in addition to relief of bronchospasm: Prevention of exercise-induced bronchospasm
- Not a therapeutic use of bronchodilators: Treating hypertension
- Main function: Stimulating beta-2 receptors, leading to bronchodilation and relaxation of airway smooth muscle
Other Medications
- Antileukotrienes (LRTAs): Mechanism of action: Inhibiting the production of leukotrienes, which cause bronchoconstriction
- Inhaled corticosteroids: Potential side effect: Oropharyngeal candidiasis
- Medications associated with trembling, particularly in the hands: Beta-agonists
- Medication used to prevent bronchoconstriction by binding to ACh receptors: Anticholinergics
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