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.
At the end of the Mexican flag history, certain symbols and meanings were agreed upon. The new meanings of the colours are fairly recent: Green is hope, white is unity, and red is the blood of heroes. These meanings are not enforced by law, so they may continue to change.