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 colors of the flag originated from the banner of the Army of the Three Guarantees, which lasted from 1821 until 1823. Originally, the colors had the following meanings: 1  Green: Independencia (independence from Spain). 2  White: Religion (religiÃ³n, religion The Roman catholic).  faith