COPD Quiz Flashcards
Which of the following drugs does not have a direct bronchodilator effect?
A) Epinephrine
B) Terbutaline
C) Prednisone
D) Iprotropium
C - although extremely important in severe chronic asthma and status asthmaticus, corticosteroids do not have a demonstrable direct bronchodilator action
Mr. Green is a 60 y/o former smoker with cardiac disease and severe chronic obstructive pulmonary disease associated with frequent episodes of bronchospasm. Which of the following is a bronchodilator useful in COPD and least likely to interfere with cardiac conduction?
A) Ipratropium
B) Isoproterenol
C) Prednisone
D) Salmeterol
A - ipratropium, an antimuscarinic agent, is the bronchodilator that is most likely to be useful in COPD without disturbances in cardiac conduction
A 22 y/o man is brought to the ED after suffering seizures resulting from an overdose of one of his medications. His sister states that he takes the drug orally and sometimes had insomnia after taking it. Which of the following is a direct bronchodilator that is most often administered by the oral route and is capable of causing insomnia and seizures?
A) Cromolyn
B) Ipratropium
C) Theophylline
D) Salmeterol
C - theophylline is a bronchodilator that is active by the oral route. It causes insomnia in therapeutic doses and seizures in overdosage.
Which of the following in its parenteral form is life-saving in severe status asthmaticus and acts, at least in part, by inhibiting phospholipase A2?
A) Tiotropium
B) Metoprolol
C) Salmeterol
D) Methylprednisolone
E) Zafirlukast
D - parenteral corticosteroids such as methylprednisolone (prednisolone is the active metabolite of prednisone) are lifesaving in status asthmaticus. They probably act by reducing production of leukotrienes.