The objective of this program is to prepare individuals on variety of subjects including regulatory and quality systems, genetics, immunology, immune mechanisms and various anesthesia. Online certificate course in anaesthesia and anaesthetic technician course is helpful for the medical practitioner, medical services provider and technician. General anesthesia suppresses central nervous system activity and results in unconsciousness and total lack of sensation, using either injected or inhaled drugs. Sedation suppresses the central nervous system to a lesser degree, inhibiting both anxiety and creation of long-term memories without resulting in unconsciousness. Regional and local anesthesia, which blocks transmission of nerve impulses from a specific part of the body. Depending on the situation, this may be used either on its own (in which case the patient remains fully conscious), or in combination with general anesthesia or sedation.