The basic scales of western music during the Middle Ages. The church modes are. A. different from the major and minor scales in that they consist of only six different tones. B. different from the major and minor scales in that they consist of only five different tones.
Levalbuterol tartrate (Xopenex hFa) is a beta2-agonist, hydrofluoroalkane inhalation aerosol labeled for the treatment or prevention of bronchospasm in patients with reversible obstructive airway disease. Levalbuterol is the active R-isomer of albuterol (Proventil), which contains both the R- and S-isomers.
The rescue medications for asthma include albuterol, levalbuterol (Xopenex), and ipratropium (Atrovent). Of these, albuterol is by far the most commonly prescribed rescue medication for asthma. Levalbuterol is the chemical mirror image of albuterol and may have less potential to make patients restless or jittery.