Author Question: What is the rationale for using the single-isomer agent levalbuterol instead of racemic albuterol? ... (Read 47 times)

2125004343 · **on:** Jul 16, 2018

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.

Question 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