clar697
Forum Guru
Topics: 190
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A 14-year-old girl with a 3-month history of asthma comes to the physician for a follow-up examination. Current medications include inhaled corticosteroids. Her symptoms occur less than once weekly. The physician recommends that the patient add a new drug (drug X) that, when administered during an asthmatic episode, will immediately increase the FEV1 to greater than 80% of the FVC. Which of the following best describes yhe mechanism of action of drug X?
A) Constriction of pulmonary bronchioles
B) Constriction of pulmonary vascular smooth muscle
C) Decreased pulmonary surfactant production
D) Dilation of pulmonary bronchioles
E) Dilation of pulmonary vascular smooth muscle
F) Increased pulmonary surfactant production
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| yarab
Forum Newbie
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D)
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| atulkalanuria
Forum Newbie
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D is tht drug like Ach inhibitor ?
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| drsandy
Forum Newbie
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D. i think the drug must be ipratropium bromide or sumthin?
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| aml
Forum Senior
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D, dilation of pulmonary bronchioles is required during an acute asthmatic bronchospasm is predominantly produced by short- acting Beta - 2 selective agonist like Terbutaline, Albuterol. It is used for life- saving & should not recommended for prophylaxis.
Drug X: Terbutaline or Albuterol
Prophylaxis: Long acting Beta - 2 agonist like Salmeterol.
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| eddyheart
Forum Newbie
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D
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