The mean time to onset of a 12% increase in FEV1 for PROVENTIL HFA Inhalation Aerosol was 7 minutes and the mean time to peak effect was approximately 50 minutes. The mean duration of effect as measured by a 12% increase in FEV1 was 2.3 hours. In some pediatric patients, duration of effect was as long as 6 hours.
The Aztecs were also known as the Tenochca (from which the name for their capital city, Tenochtitlan, was derived) or the Mexica (the origin of the name of the city that would replace Tenochtitlan, as well as the name for the entire country).
The Aztec. The last of the great MesoAmerican cultures were the Aztec, they were a Nahuatl-speaking people, who in the 15th and early 16th centuries, ruled a large empire in what is now central and southern Mexico.hen there were the Toltecs, who dominated much of central Mexico around 1200 A.D. Their language âNahuatlâ, was also spoken by the Aztecs. They were a militaristic nomadic people, and they or their ancestors may have sacked the city of Teotihuacan in 750 A.D.