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Questions and Answers
Which of the following is a spasmogen released in the immediate phase of allergen response?
Which of the following is a spasmogen released in the immediate phase of allergen response?
- Bradykinin
- Prostaglandin E2
- Leukotriene C4
- Histamine (correct)
What is the primary mechanism of action of β2-adrenoceptor agonists in managing allergic reactions?
What is the primary mechanism of action of β2-adrenoceptor agonists in managing allergic reactions?
- Reduction of eosinophil chemotaxis
- Inhibition of mast cell degranulation
- Dilation of bronchi by acting on β2 adrenoceptors (correct)
- Suppression of mucus secretion
What is the main effect of late-phase allergic reaction?
What is the main effect of late-phase allergic reaction?
- Constriction of bronchial smooth muscle
- Reduction of vasodilation
- Release of chemotaxins attracting inflammatory cells (correct)
- Increased production of mast cell-fixed IgE
Which of the following is a short-acting β2-adrenoreceptor agonist (SABA) used for quick relief in allergic reactions?
Which of the following is a short-acting β2-adrenoreceptor agonist (SABA) used for quick relief in allergic reactions?
What is the primary effect of β2-adrenoceptor agonists on the airway smooth muscles?
What is the primary effect of β2-adrenoceptor agonists on the airway smooth muscles?
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