Asthma Flashcards
Asthma is characterised by an airway that is both constricted and _.
Inflamed.
Bronchodilators act by binding to beta _ receptors and stimulating the production of cyclic AMP, which causes the smooth _ to relax.
2, muscle.
Methylxanthines are derived from _.
Purine.
Which class of bronchodilatory drug inhibits phosphodiesterase 3?
Methylxanthines.
Methylxanthines can increase diaphragmatic strength. True or false?
True.
Which class of medication can reverse methylxanthine toxicity?
Beta-blockers.
Muscarinic agents have no anti-inflammatory action. True or false?
True.
Inhaled corticosteroids inhibt _ A2 and inhibit _ expression.
Phospholipase, COX.
Corticosteroids are bronchodilators. True or false?
False. Corticosteroids are anti-inflammatory agents, so they work by reducing the thickness of the airway wall rather than by promoting bronchodilation.
Which class of asthma medication is associated with oral candidiasis or thrush?
Inhaled corticosteroids.
Medications in which category are particularly useful in exercise-induced bronchospasm, but not recommended for acute asthma attacks?
Leukotriene receptor antagonists (LTA).