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Pharmacology
In a case of acute exacerbation of asthma, salbutamol was given and no improvement noticed, intravenous corticosteroids and aminophylline was given and condition improved. What is the mechanism of corticosteroid in acute asthma?
Corticosteroid increase bronchial responsiveness to salbutamol
Corticosteroids cause direct bronchodilation when used with xanthines
Corticosteroids indirectly increase the effect of xanthines on adenosine receptor
Corticosteroids increase mucociliary clearance.
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