What is the rationale for using the single-isomer agent levalbuterol instead of racemic albuterol?
a. The (S)-isomer is thought to promote bronchoconstriction.
b. The (S)-isomer is a weak bronchodilator.
c. The (R)-isomer is thought to cause tachycardia.
d. The (R)-isomer is thought to cause tremors.
Q. 2 What is the indication for use of a short-acting agonist in asthma?
a. As maintenance therapy in reversible airflow obstruction
b. As rescue therapy in reversible airflow obstruction
c. As an antiinflammatory agent in reversible airflow obstruction
d. As an antiinfective agent in respiratory infections
Q. 3 What is the main difference between salmeterol and formoterol?
a. Formoterol is short-acting, and salmeterol is long-acting.
b. Formoterol has a slower onset and peak effect compared with salmeterol.
c. Formoterol is more 2-specific than salmeterol.
d. Formoterol has a quicker onset and peak effect than salmeterol.
Q. 4 Which of the following is a -agonist formulation that is a single isomer approved by the U.S. Food and Drug Administration (FDA) for aerosol delivery?
a. Epinephrine
b. Albuterol
c. Levalbuterol
d. Tiotropium
Q. 5 You are ordered to extubate a mechanically ventilated patient who has recently undergone open heart surgery. On postextubation assessment you note that the patient has stridor with mild retractions.
What type of pharmacologic agent would you recommend?
a. 2 adrenergic
b. adrenergic
c. Anticholinergic
d. Sympatholytic
Q. 6 When monitoring a patient using Ventolin, which side effect would you expect to see?
a. Sleepiness
b. Muscle tremor
c. Bradycardia
d. Hypotension
Quick Reply
