Sedative drugs (tranquillizers, depressants, anti-anxiety medications, nitrous oxide, etc.) can be administered in a variety of ways. In the past, intravenous (IV) sedation â sedatives delivered via injection into the blood vessels of the hand or arm â was predominantly used to sedate a dental patient.
The middle band, colored white, contains the National Mexican Crest, a symbol that is very important to Mexican people. The Mexican flag colors are three: green, white and red. Green: represents hope for a better nation, where people join together to achieve and maintain peace between them.White: represents the purity of catholic faith. Red: the color of blood.he middle band, colored white, contains the National Mexican Crest, a symbol that is very important to Mexican people. The Mexican flag colors are three: green, white and red. Green: represents hope for a better nation, where people join together to achieve and maintain peace between them.
The symbolism of those colors has changed, though, according to About.com. Today, the white stands for unity, green stands for hope and red stands for the blood of the national heroes. The seal in the center of the flag depicts Mexico's founding story. In this tale, the Aztecs, who were also called the Mexica, were searching for a home.